MAT/115 FINAL EXAM Student Name

MAT/115 FINAL EXAM STUDENT NAME:

Instructions: Be sure to write your final answer in the proper column. For multiple choice, you can just write the letter. I do understand that some problems you can’t show your work, but otherwise please do. There are 50 questions. Each question is worth 5 points for a total of 250 points. Exam is due by Sunday, Day 7, midnight AZ time. You’re welcome to turn the test in early, but I do suggest leaving it for a day and then going back to check your work for errors such as miscalculations, labeling, making sure you’re providing the correct answer in the final answer column, etc. Please post your test as an attachment in your Individual Forum. Thanks! Good luck! 

A note about showing your work: Showing work or providing an explanation is your decision. If you choose not to show work/explanation and your answer is incorrect, then your score for that particular question will be zero. However, if you choose to show work/explanation and your answer is incorrect, you may earn partial credit for that particular question if your work/explanation is valid.

Problem # Show Your Major Math Steps

8.80x40=352 Jacque earns $8.80 per hour (h). For overtime (each hour over 40 h) he earns $13.20 per h. If he works 48.5 h in a week, what pay should he 1 receive? 13.20x8.5=112.20 A) $426.80 B) $464.20 C) $640.20 D) $602.80 352+112.20=464.20

2 1 5/9 = (1x9+5)/9 = 14/9 Reciprocal = 1/(14/9)=9/14 5 1 . Find the reciprocal of 9

5 5 9 14 A) 9 B) 9 C) 14 D) 9

2.90-2.33=0.57 Add 2.90+ (–2.33). 3 A) -0.57 B) 0.57 C) –5.23 D) 5.23 2.90 is the larger number so the sign is +

Estimate the following product. 1 4 6 7 4 8 5 6x7=42

A) 63 B) 42 C) 48 D) 56

2 2 . Multiply 3 3 Write your answer in simplest form. (2x2)/(3x3)=4/9 5 4 7 38 29 A) 9 B) 26 C) 146 D) 131

For the decimal 8.62354: 0.000x = x/10,000 What is the place value of 5? 6 A) Hundred-thousandths B) Ten-thousandths C) Hundredths D) Ten-thousandths Thousandths

7.52x2=15.04 Flor is putting a fence around a field. The field is rectangular and measures 7.52 yards (yd) long and 18.89 yd wide. How much fence must Flor 7 purchase? 18.89x2=37.78 A) 33.93 yd B) 52.82 yd C) 45.3 yd D) 26.41 yd 15.04+37.78=52.82yd

8 Complete the following statement.

540 s = ______min 540/60=9

A) 4.5 B) 18 C) 13.5 D) 9

A shipping container is 8 ft by 6 ft by 3 ft. What is its volume? 9 A) 180 ft3 B) 144 ft3 C) 90 ft3 D) 17 ft3 8x6x3=144

= 2 ½ x 1 ½ 1 1 2 1 = 5/2 x 3/2 If the base of a parallelogram is 2 in. and its height is 2 in., what is its area? 10 = (5x3)/(2x2) 3 1 1 1 3 2 3 2 = 15/4 A) 4 in.2 B) 2 in.2 C) 2 in.2 D) 4 in.2 = 3 3/4 LCD=20 3 1 Kristi jogged for 5 of an hour, swam for 2 of an hour, and rode her bicycle 12 10 15 37     1r17 3 20 20 20 20 11 for 4 of an hour. How long did she exercise? 17 or1 20 9 17 7 7 1 1 A) 40 h B) 20 h C) 20 h D) 11 h

 Find the circumference of the figure. Use 3.14 for  and round your answer C=2r to one decimal place. C=2x3.14x12=75.36 or 75.4ft

A) 75.6 ft B) 75.4 ft C) 37.7 ft D) 37.6 ft

4 a   10a  12,000 13 10 3,000 a  12,000 10  1,200students Approximately 4 out of every 10 students at Sonia's college live on campus. The college has 3,000 students. How many of them live on campus?

A) 1,500 students B) 1,200 students C) 1,800 students D) 600 students

1  B  H A triangle has base 15 feet (ft) and an altitude of 4 ft. Find its area. A= 2 A) 30 B) 60 C) 15 D) 19 14 15x4=60

1  30 60x 2

Write the word name for the following.

300,612

15 A) Three hundred, six hundred twelve B) Three hundred thousand, six hundred twelve C) Three hundred, six twelve D) Three hundred thousand and six hundred and twelve

A) 48/1.79=26.82 oz/dollar B) 32/1.29=24.81 oz/dollar C) 48/1.99=24.12 oz/dollar 16 D) 45/1.59=28.30 oz/dollar Find the best buy on pasta sauce (1 qt is 32 oz).

A) 48 oz for $1.79 C) 1 qt 16 oz for $1.99 B) 1 qt for $1.29 D) 45 oz for $1.59

Which pair of fractions is not proportional?

17 3? 7 3? 9 3? 12 3? 6 = = = = 3x19 ≠ 7x11 A) 11 19 B) 11 33 C) 11 44 D) 11 22

7 6 13   1 2 21 21 21 Jon spent 3 of his study time doing math homework and 7 preparing for a history exam. What fraction of his study time remains? 18 13 8 1  5 1 13 8 21 21 A) 21 B) 21 C) 21 D) 21 72  3=24 min Garrett washes 3 cars in 72 minutes. How many minutes does it take Garrett to wash one car? 19 A) 48 minutes B) 36 minutes C) 12 minutes D) 24 minutes

392  8=49 ft per second 392 feet . Find the rate: 8 seconds 20 ft ft ft ft A) 294 s B) 49 s C) 94 s D) 0.02 s

Round the following number to the indicated place.

5,911, the nearest thousand 21 Nearest thousand is 6,000 A) 6,000 B) 5,910 C) 6,010 D) 5,900

Determine the maximum and minimum values of the following set of LCD = 756 numbers. 2268 3888 756 504 945 3780 2184 3 6 2 5 2 6 , , , , , , 3 ,- , - 1 , - , , - 5 , 756 756 756 756 756 756 756 7 3 4 9 22 A) -5 C) 2 6 3 6 Max: 3; min: ; - Max: 9 min: 7 B) 3 6 D) 2 6 - ; Max: 3; min: 7 Max: 9 min: -5

Move the decimal two places = 0.4

23 Write 40% as a decimal. A) 40 B) 0.4 C) 1.4 D) 4

3骣 8 - + 琪 . 5桫 3 5 21 8 13 Add     24 35 35 35 1 1 3 1 1 3 - - A) 8 B) 3 5 C) 8 D) 3 5 5 3 9 7 10 12 9 14 Four buttons have diameters of 8 , 4 , 16 , and 8 inches. Which button 16 16 16 16 25 is smallest?

3 9 7 5 A) 4 B) 16 C) 8 D) 8

7骣 1 3 14 13 27 3 -琪 - .    Subtract 9桫 1 8 18 18 18 2 26 3 1 1 - A) 2 B) 1 8 C) 0 D) 1 8

Complete the statement.

27 13 oz = ______g 13X28=364g A) 156 B) 364 C) 390 D) 360

Perform the indicated operation.

11- 6 5 0 28 7- 7 1 5 A) 5 B) Undefined C) 5 D) 7

16 = 2x2x2x2 Choose the correct greatest common factor of 16 and 24.

29 A) 8 B) 2 C) 16 D) 4 24 = 2x2x2x3

GCF = 2x2x2=8

30 -2.3+8.8=6.5 Subtract – 2 . 3- ( – 8 . 8 ) .

A) 11.1 B) -11.1 C) 6.5 D) –6.5

Label the triangle as equilateral, isosceles, or scalene. Third angle = 180-60-60=60

31 Three angles have the same measure

A) Equilateral B) Isosceles C) Scalene

Ascending order: 0.08, 0.16, 0.18, 0.20, 0.22, 0.25, 0.27, 0.27, 0.28, Find the five-number summary of the following set of numbers. 0.32 0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27 32 Min= 0.08 A) 0.08, 0.18, 0.223, 0.27, 0.32 C) 0.08, 0.18, 0.225, 0.27, 0.28 First quartile = 0.18 B) 0.08, 0.18, 0.235, 0.27, 0.32 D) 0.08, 0.16, 0.23, 0.28, 0.32 Median = (0.22+0.25)/2 = 0.225 Third quartile = 0.27 Max = 0.32

1 1 Gasoline is about $2 per gallon. You use about 2 gallons each day driving 1 3 1   1.5 33 to and from work. How much should you budget for gasoline over the next month (about 20 workdays)? 2 2 monthly  2x1.5x20  60 A) $70 B) $40 C) $50 D) $60

Identify the angle as acute, right, obtuse, or straight. Straight = 180o 34

A) Acute B) Straight C) Obtuse D) Right

Write 0.21 as a percent. 35 A) 21% B) 210% C) 0.21% D) 2.1% 0.21 = 21/100 320 R   400R  32,000 400 100 What percent of 400 is 320? 36 32,000  80 A) 20% B) 75% C) 80% D) 8% 400

Choose the correct prime factorization of the number 117. 37 A) 2创 3 13 B) 2创 3 15 C) 3创 3 13 D) 3创 3 11 117 = 3x3x13

Find the mode of the following set of numbers.

38 11, 13, 13, 12, 11, 12, 13, 10, 14 Mode = 13 A) 11, 12, and 13 B) No mode C) 13 D) 12 Appears three times

Find the missing length of the right triangle. 7x7  49 24x24  576 39 49  576  625 625  25 A) 27 B) 28 C) 26 D) 25

Use the following to answer questions 40-41: Lowest point on graph is in year 2000.

Use the graph, showing the yearly food costs of a family.

In what year was the cost of food the least expensive?

A) 2002 B) 2005 C) 2000 D) 2004 Use the graph above, showing the yearly food costs of a family. 9x1000 = 9000 41 What was the cost in 1999?

A) $8,500 B) $9,000 C) $900 D) $9

Identify the hypotenuse of the triangle by giving its letter. Hypotenuse is across the right angle.

A) y B) w C) x

3 5 3x34 ≠ 5x21 21 34 43 Are and equivalent fractions? A) No B) Yes No

The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the rate of (19000 18,000) increase? x100  6 44 18,000 A) 7% B) 6% C) 4% D) 11%

3 45 Write 8 as a percent. 3/8x100 = 37.5 A) 3.75% B) 375% C) 0.375% D) 37.5%

46 2,400/.06=40,000 A saleswoman is working on a 6% commission basis. If she wants to make $2,400 in one month, how much must she sell?

A) $40,000 B) $400,000 C) $80,000 D) $20,000

1 4 14. 5 21 1 21 3 Divide Write the result in simplest form. x   47 5 14 70 10 1 3 4 10 3 58 A) 3 B) 10 C) 5 D) 3

Use the following to answer questions 48 and 49:

Continent Land % of Population Population Population or Region Area Earth 1900 1950 2000 (1,000 mi2) North America 9,400 16.2 106,000,000 221,000,000 305,000,000 South America 6,900 11.9 38,000,000 111,000,000 515,000,000 Europe 3,800 6.6 400,000,000 392,000,000 510,000,000 Asia (including 17,400 30.1 932,000,000 1,591,000,000 4,028,000,000 Russia) Africa 11,700 20.2 118,000,000 229,000,000 889,000,000 48 Oceana 3,300 5.7 6,000,000 12,000,000 32,000,000 (including Australia) Antarctica 5,400 9.1 Uninhabited — — World Total 57,900 1,600,000,000 2,556,000,000 6,279,000,000

Use the world population and land area table. What was the mean population of all inhabited areas except Asia in 2000?

A) 133,600,000 B) 193,000,000 C) 450,200,000 D) 510,000,000

Use the world population and land area table from above. 49 What is the total land area of South America? A) 6,900 mi2 B) 11.9 mi2 C) 6,900,000 mi2 D) 38,000,000 mi2 6,900x1,000=6,900,000 11 19 13    Add. 8 4 6 3 3 1 1+ 4 + 2 33 114 52 199 8 4 6    50 24 24 24 24 1 7 7 1 7 7 8 7 8  8 A) 3 B) 24 C) 24 D) 3 24

GRADING INFO: 50 Questions @ 5 points each = 250 points

Points Earned Percent

/100 %

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