A024 - Compound Ratios

1. The ratio of a:b is 2:3, and the ratio of b:cis 3:5. What is the ratio of a:c?

5:8

2:5

2:1

5:2

Question 1 of 10

2. The ratio of a:b is 3:4, and the ratio of b:c is 2:5. What is the ratio of a:c?

3:5

4:5

3:10

12:10

Question 2 of 10

3. The ratio of p:q is 5:2, and the ratio of q:r is 3:7. What is the ratio of p:r?

15:14

5:7

10:21

7:10

Question 3 of 10

4. The ratio of r:s is 5:4, and the ratio of r:tis 3:2. What is the ratio of s:t?

3:2

3:5

6:5

2:1

Question 4 of 10

5. The ratio of r:s is 3:1, and the ratio of r:t is 4:1. What is the ratio of s:t?

3:4

12:3

4:3

4:1

Question 5 of 10

6. The ratio of dibs to lugs is 3:4. The ratio of lugs to slugs is 5:8. If there are 64 slugs, how many dibs are there?

15

20

30

35

Question 6 of 10

7. The ratio of dribs to drabs is 4:1, and the ratio of drabs to drebs is 3:2. If there are 24 drebs, how many dribs are there.

4

144

12

48

Question 7 of 10

8. In a bag, the ratio of nickels to dimes is 5:2, and the ratio of nickels to quarters is 4:1. If there are 99 nickels, dimes and quarters total, how many dimes are there?

24

6

16

33

Question 8 of 10

9. A bag contains 261 marbles. The ratio of red marbles to white marbles is 4:3, and the ratio of red marbles to blue marbles 3:2. How many blue marbles are there?

58

72

64

52

Question 9 of 10

10. A special recipe for salsa requires 2 yellow for every 5 red peppers and 3 red peppers for every green pepper. If the special recipe is followed and 78 total peppers were used, how many yellow peppers were used?

22

45

25

18

Question 10 of 10

A024 – Compound Ratios