Question

Find A:B:C
A:B=3:5,A:C=6:7

Answer 1

a:b = 3:5 it can be also written as 3 x 6 : 5 x 6 = 18 : 30.

b: c = 6 :7 ' '' '' '' '' 6 x 5 : 7 x 5 = 30 : 35.

a:b:c = 18 : 30 : 35