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Ratio and Proportion Quiz
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1

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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