RATIOS 1

Given the ratios U:V = 9: 2 and V:W = 20:7 Find the ratio U:W.

solution

U = U x V

W   V   W

U =   9 x 20⁵

W   ₁ 2    7

U =   9 x 5

W     1 x 7

U =   45

W     7

Hence U:W = 45:7

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

Given the ratios X:Y = 5:7 and Y:Z = 3:25;  Find the ratio X:Z.