Question

if A:B=3:5 and B:C =4:7 find A:B:C
answer fast​

Answer 1

Answer:

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

Step-by-step explanation:

Answer 2

A : B = 3 : 5 = 12 : 20

B : C = 4 : 7 = 20 : 35

Therefore , A : B : C = 12 : 20 : 35

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