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Practice Quiz #6 RP 1 (Ratios, Unit Rate, & Proportions) Math 7 YOU MUST SHOW ALL OF YOUR WORK IF YOU WANT TO GET FULL CREDIT! Simplify the ratio. Write it in the form it is given. 1. 24 cars : 18 trucks 2. 3 bananas to 6 oranges 3. 12notebooks 10 pens Solve the unit rate problem. 4. A car drove 500 miles in 5 hours. How many miles per hour did the car go? 1 2 3 4 5 6a 6b 5. Which package of hamburger is a better deal? 2 pounds of hamburger for $9 or 3 pounds for $14.25. 7a 7b 8a Solve the unit rate and proportion problem. Write the proportion in the (a) column and the answer in the (b) column. 6. In a survey, 9 out of 10 doctors recommended a certain medicine. If 80 doctors were surveyed, how many doctors recommended the medicine? 8b 9a 9b 10a 7. Hugo bought 4 stamps for $1.48. At that rate, how much would 10 stamps cost? 10b 8. Marisa’s car gets an average of 27 miles per gallon of gas. She plans to drive 250 miles today and 236 miles tomorrow. How many gallons of gas should she expect to use in all? 9. Citizens of Mexico use Pesos for their money. The conversion rate for U.S. money to Mexican money is 8 cents to 1 Peso. What dollar amount was equivalent to 300 Pesos? 10. A chicken lays 10 eggs in 5 days. At that rate, how many more days would it take the chicken to lay 100 eggs?