Ratios and Proportions

Find the unit rate of the ratio below:
30 cm of snow in 6 hours

• 6 cm of snow per hour

• 30 cm of snow per hour

• 5 cm of snow per hour

• 3 cm of snow per hour

Does the table represent a proportional relationship?

• Yes.

• No.

Does the table represent a proportional relationship?

• Yes.

• No.

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound

• $1 per pound

• $2 per pound

• $1.50 per pound

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2

• 3 to 5

• 5 to 10

• 5 to 3

Hilbert burns 120 calories per 30 minutes of weight training.  Complete the table to chart his calorie expenditure for different amounts of time. What is value of b?

• b= 80

• b= 40

• b= 4

• b= 240

If there are 5 boys and 7 girls, write the ratio of girls to students

• 5 is to 7

• 7 is to 5

• 5 is to 12

• 7 is to 12

Write a ratio in simplest form:
12 CD's to 4 tapes

• 3/1

• 4/1

• 12/4

• 6/1

Write a ratio in simplest form:
8 students to 18 tables

• 4/9

• 8/18

• 9/4

• 4/5

Write a ratio in simplest form:
10 automobiles to 13 bikes

• 10/13

• 1/3

• 4/5

• 3/1