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Which pair of ratios form a proportion? A. 3 : 4 and 4 : 5 B. 10 : 12 and 16 : 18 C. 7 : 10 and 10 : 14 D. 5 : 8 and 20 : 32

Which pair of ratios form a proportion? A. 3 : 4 and 4 : 5 B. 10 : 12 and 16 : 18 C. 7 : 10 and 10 : 14 D. 5 : 8 and 20 : 32
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Which pair of ratios form a proportion?

A.
3 : 4 and 4 : 5

B.
10 : 12 and 16 : 18

C.
7 : 10 and 10 : 14

D.
5 : 8 and 20 : 32

User Kevin Leo
by
8.2k points

2 Answers

3 votes
D. if you rake the beginning ratio 5:8 and multiply the ratio by 4 you get 20:32. i believe this is the proper way to solve.

User David Kasabji
by
8.0k points
5 votes
It would be D.5:8 and 20:32
Because 5 is to 20 [4x's] and 8 is to 32 [4x's]
User Emil Condrea
by
8.8k points
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