Question

If A:B = 3:5 & C:D = 4:7, find A:B:C

Answer 1

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A:B = 3:5

B:C= 4:7

Let B be (4×5)x =20x.

So, A:B= 3×4x :20x = 12x:20x.

B:C= 20x :7×5x = 20x:35x..

So, A:B:C= 12x:20x:35x=12:20:35

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Answer 2

Answer:

Step-by-step explanation:

21:35:28 this is = A:B:C

THERFORE its done

easy question

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