Mathematics, 06.12.2021 21:00 andrew2786

Determine which ratio forms a proportion with 9/5 by finding a common multiplier. A. 54/30
B. 45/50
C. 45/40
D. 90/20
I need an explanation on how to do it pleasw

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Determine which ratio forms a proportion with 9/5 by finding a common multiplier. A. 54/30
B...