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13-09-2016
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work out 72 in the ratio 7:5

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JoniBaki JoniBaki

13-09-2016

Way to work the ratio is find the 1 part from total ratio.

In that case total ratio 7+5 = 12
1 part = 72/12= 6
Therefore, 7parts = 7x6 =42
5 parts = 5 x 6 = 30

Answer- 42:30

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