Ratios & Proportions Study Guide SCORE ______

NAME ______DATE______PERIOD ______Write yes or no in the answer column. 6. Ratios & Proportions Study ______Guide SCORE ______7. ______Directions: Show ALL work for this test. way ______NO WORK, NO CREDIT. Please write s. _ the correct answer with the correct units Sim in the answer column. plif 6. Charlotte earns $255 by working 15 8. y hours each week. How much money ______Solve each problem below. Show ALL the does Charlotte earn per hour? ______work for each. rati _ os if 1. You are making bags of trail mix for pos 9. a camping trip. You have 48 ounces sibl Write the ratio as a unit rate. Don’t ______of peanuts and 20 ounces of e. forget to label the units in the answer ______cashews. You need to have the same column. _ amount of each type of nut in each 7. 162 heartbeats in 9 seconds bag. Which is the maximum number 10. of bags that you can make? How Write each ratio as a rate. Don’t forget ______many ounces of each nut will be in ______each bag? Express the sum of nuts to label the units in the answer column. using the distributive property to 5. Det 8. $630 for 18 hours 11. support your answer (Hint: use your erm ______notes to help you with the last part). ine ______if the 12. rate ______2. You need a plumber to fix some s 1. ______leaks in the bathroom. The faucet $16 drips every 6 seconds. The shower 8 ______13. drips every 9 seconds. If both rais ______fixtures just dripped at the same ed ______time, how long will it be before they for both drip at the same time again? was ______14. hing ______24 2. ______cars and 3. ______15. $28 ______0 4. ______3. 20 mi/h = ______ft / min rais ed ______16. for ______was ______hing 40 5. ______cars 4. On his fruit salad, Arshia has 13 are papayas, 23 star fruits, 35 mangos equi The distances and times of practice runs for four students on a and 19 strawberries. What is the ratio valecross-country team are show in the table below. of the number of mangos to the total nt. number of fruit. Write the ratio all 3 Runner Distance Time NAME ______DATE______PERIOD ______

(miles) (minutes) Is this a proportional relationship? Write yes or no in the answer column. Emma 3 24

Lily 4 28

Paige 5 35

Jennifer 2 12 Genesis took 25 tests in 135 days. At this rate, in how many days will she take another 10 tests?

Which statements are correct? Mark all that apply.

A. Emma’s average time per miles was 7 minutes. B. Lily’s average time per miles was 8 minutes. After working for 40 hours, Kirsten made $390. Predict how Paige’s average time per mile was 7 minutes. C. much she would make after 10 hours of work. D. Jennifer’s average time per mile was 6 minutes. (Hint: round your answer to the nearest cent). E. Paige had the fastest average time per mile. F. Emma had the slowest average time per mile.

10. The table below shows results of a survey about the types of video games students own. Find the ratio of the number of Mrs. Plonka bought 6 pounds of grapes for $18. At this rate, video games rated “Everyone 10+” to the total number of video how much would 72 ounces of grapes have cost? games. Do NOT simplify this ratio answer. (Hint: 16 ounces = 1 pound) (Hint: round your answer to the nearest cent) Rating Video Games Rated Number of Games 8 mm = ______cm Early Childhood 133 16. 6 yd ≈ ______m

Everyone 130

Everyone 10+ 140

Teen 212