Q2 of 48 Page 101

If the compound ratio of 5:8 and 3:7 is 45:x. Find the value of x.

The compound ratio of 5:8 and 3:7 = 45:x

Here from the given ratios, a = 5,b = 8,c = 3 and d = 7.Then



If a:b and c:d are any ratios, then their compound ratio =


So, ac:bd


⇒


⇒


⇒


⇒


⇒ X = 168


∴ The Value of X is 168


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