Tuesday, January 21, 2014

RATIOS A5.

If 3: 8 = 6:B; Find the value of B.

Solution

3   =   6                            [cross multiply]
8        B

3 x B = 6 x 8

3B = 48


3B = 48                      [divide by 3 on both sides]
3        3

B = 16


Hence the value of B is 16
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