Question

A:B =2:3 & B:C=4:5,find A:B:C​

Answer 1

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a/b = 2/3

Then b = 3a/2

And if b/c = 4/5

Then c = 5b/4 = 15a/8

Therefore a : b : c = 1 : 3/2 : 15/8

Or a : b : c = 8 : 12 : 15

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