Question

A : B = 5 : 7and B : C= 6 : 1 So A : B: C is​

Answer 1

Answer:

$A: B=5:7 \\\\\frac AB=\frac57\\\\B=\frac 75A---------(1)\\\\\\Now \ B:C=6:1\\\\\frac BC=\frac61\\\\C=\frac B6=\frac{\frac 75A }{6} =\frac {7}{30}A---------(2)\\\\Putting \ Values \ of \ B \ and \ C \ from \ (1) \ and \ (2)\\\\A:B:C=A:\frac 75A :\frac {7}{30}A$

A:B:C= 30:42:7

Answer 2

A:B:C = 5:7:6:1 , B has two values 7 and 6 . Now add 7 and 6 = 13. Thefore B = 13 . Thefore A:B:C = 5:13:1 = 5/13/1 =5/14

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