Proportional Relationships Flashcard Review

The ages of two people add up to 25 and their ratio is 2: 3. What is the age of the younger person?

10 yrs of age

It takes one Super Giant Pizza to feed 3 people. If you invite 36 people, how many pizzas will you need?

12

The ratio of boys to girls is 3 to 2. If there are 12 boys, how many girls are there?

12:8

The ratio of two numbers is 7: 12. What is the larger number if the smaller number is 84?

144

The ratio of the heights, in cm, of two dogs is 4: 9. What is the height of the smaller dog if the larger dog is 36 cm tall?

16:36

Mr. Johnson was paid $190 for a job that required 40 hours of work. At this rate, how much should he be paid for a job requiring 60 hours of work?

190:40

Three numbers are in the ratio of 5: 6: 7. What is the smallest number if the sum of the three numbers is 72?

20

Three numbers have a ratio of 2: 3: 4. Find the largest number if their sum is 36.

24:36:48

Two numbers are at a ratio of 5: 9. Find the larger number if the smaller number is 35.

35:63

The ages of a husband and a wife are in a ratio of 14: 12, respectively. How old is the husband if the wife is 36 years old?

42:36

Jason weighs 56.7 kg. He has a goal of reducing his weight so that the ratio of his present weight to his new weight is 7: 6. Find his new weight.

48

The sum of two numbers is 52. Find the larger number if their ratio is 1: 3.

52:156

Two numbers have a ratio of 5: 8. What is the larger number if the smaller number is 75.

75:120

At a recent party, it cost $9.50 for refreshments for 10 guests. At this rate, how much would it cost to have refreshments for 80 guests?

76

Mary has saved $17.50 in the past 3 weeks. At this rate, how much will she save in 15 weeks?

87.50$