Question

if A:B= 4:15, B:C =3:7 find A:C =?​

Answer 1

Step-by-step explanation:

A:B=4:15 B:C=3:7

=>A/B=4/15 =>B/C=3/7

=>A=4B/15 =>C=7B/3

A:C=A/C=(4B/15)/(7B/3)

=4B/15×3/7B=4/35=4:35