Be Sure to Show All Work, Use Proper Form, and Label All Units
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Name: ______Math 7 - Mitchell Date: ______Period: _____ Worksheet #25
Be sure to show all work, use proper form, and label all units.
Solve and check.
1) m -5 = - 20 3) -18 = 3c
h 4) = -5 2) 44=w - 10 -4
Translate into an expression, equation, or inequality. You DO NOT need to solve.
5) The sum of a number and nine is twenty.
6) Eight less than a number. 7) Twenty is greater than or equal to the quotient of a number and six.
Simplify each expression.
8) 10k – 13k
9) –5v + 10 – 11v
10) 14m4 + 12 + 7m4 – 7
11) Robert, Andrew and Thomas are all ants in the same colony. Robert can build an anthill 20 seconds faster than Andrew. Andrew can build an anthill twice as fast as Thomas. If Thomas can build an anthill in 50 seconds, how long will it take Robert to build his?
12) Which of the following would not be considered an expression?
A) h +10 - 44 B) 2d C) 12撤 3 2 D) 8+ ( - 9)
13) Jake ran 20 miles this week. This was twice as far as he ran last week. How far did he run last week?
A) 10 C) 24 B) 16 D) 40 14) equation?
15) 3w > 12 2 3 4 5
Solve and check.
16) 20 + 2v = -82 18) 8 = – 8h + 96
17) 3h – 3 = 42 y 19) 10 2 6
Solve each problem by writing and solving an equation.
20) Amelia decided to order breadsticks and a pizza. The pizza cost $10.50 and each breadstick costs $0.75. If Amelia’s bill was $13.50, how many breadsticks did Amelia order?
A
B
C
D
21) Josie bought a soda and 2 candy bars. The soda cost $1.10. Her total bill was $2.40. How much was each candy bar?
A
B
C
D
22) You and two of your friends go to the movies. Each ticket costs $7.50. You share the cost of the popcorn. If each person pays $9.05, how much was the popcorn?
A
B
C
D 23) Which is one of the solutions to the following?
3x + 4 > 19
A 6 B 5 C 4 D 3
Solve. Then graph the solution.
24) 5s < -25
25) c + 2 < -4
26) -4g ≥ 80
27
A 4 B 2 C 8 D 5