Mathematics, 24.08.2019 01:30, ShianHagen5

Which pair of ratios form a proportion? a. 2 : 3 and 3 : 4 b. 8 : 12 and 16 : 20 c. 4 : 7 and 12 : 21 d. 9 : 15 and 10 : 16

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Which pair of ratios form a proportion? a. 2 : 3 and 3 : 4 b. 8 : 12 and 16 : 20 c. 4 : 7 and...