Susan found a bag of 20 golf balls at a garage sale, and bought the bag for 75 cents. Express the ratio of cost to number of balls in lowest terms.

A)

20:75

B)

75:20

C)

4:15

D)

15:4

2

A stackable CD rack holds 25 CDs and costs $4. Charlie has a collection of 150 CDs. How much will it cost him to buy enough racks to hold all of his CDs?

A)

$4

B)

$24

C)

$25

D)

$150

3

A gardening magazine suggested that a good mix for a flower bed is 20 pails of clay dirt, 15 pails of sand, and 5 pails of manure. Express this in lowest terms.

A)

20:15:5

B)

10:7:3

C)

4:3:1

D)

4:3:2

4

How many pails of soil will result from the mixture in the previous question?

A)

8

B)

10

C)

20

D)

40

5

Aram estimates that he needs 120 pails of soil for his new flower bed. How many pails of manure will he need?

A)

15

B)

10

C)

5

D)

1

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