Mathematics, 25.03.2020 16:40, dreamdancekay

Choose the correct proportions.

21, 5, 15, 7

a) 5:21 = 7:15
b) 5:7 = 15:21
c) 5:7 = 21:15
d) 21:5 = 15:7

Answers: 1

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Do you know the correct answer?

Choose the correct proportions.

21, 5, 15, 7

a) 5:21 = 7:15
b) 5:7 = 1...