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A:B is 3:5 , B:C is 2:1 ,

0 votes

so whats the ratio of A:B:C?

asked Jul 12, 2014 in PRE-ALGEBRA by anonymous

1 Answer

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A : B = 3 : 5 and

B : C = 2 : 1.

To find A : B : C, first find the least common multiples of 5 and 2.

The L.C.M of 5 and 2 is 10.

Convert the ratios so that each have B as 10.

A : B = 3 : 5  →  * 2

B : C = 2 : 1 → * 5

Then, the ratios are

A : B = 6 : 10

B : C = 10 : 5

A : B : C = 6 : 10 : 5.

answered Jul 12, 2014 by lilly Expert

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