Question
If A : B = 3 : 5 and B : C = 10 : 7, find the ratio A :
B : C.Solution
A : B = 3 : 5 B : C = 10 : 7 Make B equal in both ratios. LCM of 5 and 10 is 10 Multiply first ratio by 2: A : B = 6 : 10 Second ratio already has B = 10: B : C = 10 : 7 So A : B : C = 6 : 10 : 7
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