Question

A:B=5:9,B:C=4:7 THEN A:C IS

Answer 1

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Answer 2

a:b = 5:9 multiply 4 this is 20:36 and b:c=4:7 multiply 9 36:63 couse comMon is b so we are equal to b so a:b:c=20:36:63 so a:c = 20:63