Ratios and Proportions Quiz Review
1.
In a class of 25 students, there are 12 females. Write a ratio of the males to females in the
class.
2. Find the unit rate: $6.99 for 4 pair of socks.
3. Mrs. Pearson rides a bike at a rate of 5 minutes per mile. How many minutes will it take her to
ride 13 miles?
4. A certain airplane flies at an average speed of 425 miles per hour. How many hours wil the
airplane take to travel 1,912.5 miles?
5. A company held a taste test study with its new snacks. In the study of 800 students, half tasted
the plain snack and half tasted the snack with peanuts added. For those that tested the plain
snack, 40% said they would eat the snack again. For those that tested the snack with peanuts,
20% said they would eat it again. How many students in the study said they would eat the type
of snack they tasted again?
6. Mrs. Pearson has to read 30% of a 200 page book every day. How many pages does she have to
read each day?
7. I sold a car for $6,000. If I earned 15% of the selling price as profit, how much profit did I earn?
8. Write 72% as a fraction in simplest form.
9. Write 45% as a decimal.
10. In my garden, 45 out of 150 plants have grown. What percent of my garden has plants that
have grown?
11. Write 2/5 as a percent.
12. Change 84 inches to feet.
13. Change 3, 451 lbs to ounces.
14. Convert 438 kilograms to grams.