Question

5. If A:B=3:5 and B:C=10:13, find A:B:C.
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Answer 1

Answer:

a:b=3:5 and b:c=10:13

a/b=3/5 and b/c=10/13

b=b

5x=10

x=2 thus (3/5)×2

6:10:13 is of a:b;c