RATIOS 1

Given the ratios U:V = 9: 40 and V:W = 20:7 Find the ratio U:W.

solution

U = U x V

W   V   W

U =    9  x  20¹

W   ₂ 40    7

U =   9 x 1

W    2 x 7

U =   9

W    14

Hence U:W = 9:14

TRY THIS...............................

Given the ratios D:E = 20:7 and E:F = 28:15;  Find the ratio D:F.