Question

If A : B = 4 : 5 and B : C = 20 : 11, then find A : B : C ?​

Answer 1

Given:

A:B=4:5

B:C=20:11

Now,

A÷B=4÷5=4×4÷5×4=16÷20

B:C=20:11

Therefore, A:B:C= 16:20:11

Hope this answer help you!

Answer 2

If A : B = 4 : 5 and B : C = 20 : 11, then A : B : C = 16 : 20 : 11

Given :

A : B = 4 : 5 and B : C = 20 : 11

To find :

The value of A : B : C

Solution :

Step 1 of 2 :

Write down the given ratios

Here it is given that

A : B = 4 : 5 and B : C = 20 : 11

Step 2 of 2 :

Find A : B : C

LCM of 5 and 20 = 20

A : B = 4 : 5 = 16 : 20

B : C = 20 : 11

Thus we get , A : B : C = 16 : 20 : 11

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