if A:B=7:9 and B:C=5:4, then A:B:C=?
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hey mate.
here's the solution
here's the solution
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mahakjain20:
why we multiple it with9/5
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A:B = 7:9 × (5)
B:C = 5:4 × (9)
we have multiplied with 5 and 9 to make B equal in both ratio.
now A:B = 35 : 45 , and B : C = 45 : 36
because 45 is same in both ratio so keep it common.
now it will be A : B : C = 35:45:36
B:C = 5:4 × (9)
we have multiplied with 5 and 9 to make B equal in both ratio.
now A:B = 35 : 45 , and B : C = 45 : 36
because 45 is same in both ratio so keep it common.
now it will be A : B : C = 35:45:36
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