A recipe calls for 2 cups of sugar for every 5 cups of flour. What is the unit rate of sugar per cup of flour?

0.4 cups of sugar per cup of flour

2.5 cups of sugar per cup of flour

3 cups of sugar per cup of flour

7 cups of sugar per cup of flour

Store A sells 12 eggs for 3 dollars. Store B sells 10 eggs for 2 dollars. Which store has the lower price per egg?

Store A, at 0.25 dollars per egg.

Store B, at 0.20 dollars per egg.

Both stores have the same price.

Understanding Ratios and Unit Rates Practice — Grade 7 math

Lesson 1: Understanding Ratios and Unit Rates — Practice Questions

1. A car travels 240 miles on 8 gallons of gasoline. What is the car's fuel efficiency as a unit rate in miles per gallon? ___ miles per gallon.
2. A factory produces 75 widgets in 3 hours. What is the unit rate of production in widgets per hour?
- A. 25 widgets per hour
- B. 72 widgets per hour
- C. 0.04 widgets per hour
- D. 225 widgets per hour
3. If 4 movie tickets cost a total of 60 dollars, what is the unit rate for the cost of one ticket? ___ dollars.
4. A recipe calls for 2 cups of sugar for every 5 cups of flour. What is the unit rate of sugar per cup of flour?
- A. 0.4 cups of sugar per cup of flour
- B. 2.5 cups of sugar per cup of flour
- C. 3 cups of sugar per cup of flour
- D. 7 cups of sugar per cup of flour
5. Store A sells 12 eggs for 3 dollars. Store B sells 10 eggs for 2 dollars. Which store has the lower price per egg?
- A. Store A, at 0.25 dollars per egg.
- B. Store B, at 0.20 dollars per egg.
- C. Store A, at 4 dollars per egg.
- D. Both stores have the same price.
6. A certain fruit contains 0.15 milligram of thiamin and 0.4 milligram of niacin. What is the ratio of niacin to thiamin in simplest form?
- A. 8 to 3
- B. 3 to 8
- C. 4 to 15
- D. 15 to 4
7. In a survey of 400 employees at a large company, 150 used public transportation to commute. What is the ratio of employees who use public transportation to those who do not?
- A. 3 to 5
- B. 5 to 3
- C. 3 to 8
- D. 5 to 8
8. The instructions for mixing a fertilizer call for $\frac{1}{2}$ cup of potash and $2\frac{1}{2}$ cups of nitrogen. What is the ratio of nitrogen to potash?
- A. 5 to 1
- B. 1 to 5
- C. 2 to 5
- D. 5 to 2
9. A display shelf in a library has 45 fiction books and 30 non-fiction books. What is the ratio of fiction books to non-fiction books, expressed as a simplified fraction? ___
10. A basketball team won 18 of its 24 games and lost the rest. What is the ratio of the team's wins to its losses?
- A. 3/4
- B. 1/3
- C. 3/1
- D. 1/4