Question

If (a+b):c=7:2 and (b+c):a=5:1 find a:b:c​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

As a:b=4:7, a=4x and b=7x.

Now b:c=5:6, so b/c=5/6 which implies that c=6b/5.

So c=(6X7x)/5 = 42x/5.

a:b:c = 4x:7x:42x/5

On multiplying by 5 to simplify the ratio, we get

a:b:c = 20:35:42.