Mathematics, 12.11.2019 17:31, mprjug6

Which two ratios form a proportion? a) 1 : 3 and 6 : 3 b) 1 : 3 and 3 : 6 c) 3 : 1 and 9 : 3 d) 3 : 1 and 3 : 9

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Which two ratios form a proportion? a) 1 : 3 and 6 : 3 b) 1 : 3 and 3 : 6 c) 3 : 1 and 9 : 3...