RATIOS - 1

Given the ratios U:V = 13: 2 and V:W = 20:7 Find the ratio U:W.

solution

U = U x V

W   V   W

U =   13 x 20⁵

W   ₁ 2    7

U =   13 x 5

W     1 x 7

U =   65

W     7

Hence U:W = 65:7

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Given the ratios D:E = 50:7 and E:F = 3:25;  Find the ratio D:F.