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Question

1. Which ratios form a proportion
A. 4/9, 12/25
B. 3/7, 18/42
C. 5/11, 20/45
D. 5/8, 15/25
2 years ago

Answers

oobleck
cross-multiply to check.
does 9*12 = 4*25? No.
do the others in like wise
2 years ago

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