Proportions Equivalent Ratios

A package of 6 erasers costs $0.39. At this rate, how much would 68 erasers cost, in dollars and cents?

• $4.42

• $3.90

• $5.00

• $4.00

Every day a zookeeper feeds 4 adult elephants a total of 320 lb of food. At this rate, how many pounds of food would the zookeeper need every day to feed 6 adult elephants?

• 480 lb

• 320 lb

• 440 lb

• 80 lb

In a first-aid kit the ratio of large bandages to small bandages is 5 : 3. Based on this ratio, how many large bandages are in the kit if there are a total of 80 bandages?

• 50

• 48

• 16

• 40

Find 2 equivalent ratios for 3 : 4 using multiplication.

• 6 : 2

• 6 : 8

• 6 : 9

• 9 : 12

Which of the following statements defines proportional quantities?

• a) Quantities that are not related

• b) Quantities that have different units

• c) Quantities that have a constant ratio (multiplied by the same number)

Select all proportional quantities:

• 1/2 and 4/8

• 4/6 and 16/18

• 1/3 and 5/15

• 9/3 and 16/4

• 2/14 and 6/40

• Proportional (yes)

• Not proportional (no)

• Proportional (yes)

• Not proportional (no)

• Proportional (yes)

• Not proportional (no)

10 students want hotdogs for lunch and 26 want hamburgers.  What is the ratio of the number of students who want hot dogs to the number of students who want hamburgers?

• 26:10

• 10:26

• 10:36

• 25:36