Question

If A:B=3:5 and B: C = 4:7, find A:B:C. ​

Answer 1

Answer:

12:20:35

Step-by-step explanation:

A:B = 3:5

B:C= 4:7

Taking L. C. M. of both values of B( 5 and 4) to equate it

L. C. M. = 20

$\frac{3}{5} \times \frac{4}{4} = \frac{12}{20} \\ \\ \frac{4}{7} \times \frac{5}{5} = \frac{20}{35}$

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

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