identify the value of x that makes each pair of ratios equivalent

1. x:4" and "45:20"

A.8
B.9
C.10

2.21 to x and 7 to 10

A.24
B.30
C.40

3.x to 50 and 16 to 25

A.32
B.34
C.41

4.6 to 8 and 18 to x

A.20
B.22
C.24

5. 9/36 and x/4

A.1
B.4
C.9

6. 42/22 and 21/x

A.12
B.11
C.10

7. X/7 and 5/1

A. 25
B. 30
C. 35

8. 20/X and 4/8

A.35
B.40
C.40

1 answer

x/4 = 45/20
5x/20 = 45/20
5x = 45
x = 9

Now it's your turn...
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