Sachin is younger than rahul by 4 years

Asked by admin @ 31/08/2021 in Math viewed by 235 People

Sachin is younger than rahul by 4 yrs.if their ages in ratio of 7:9,how old in sachin

Answered by admin @ 31/08/2021

Let rahuls age be x and sachin's be y

y=x-4

y/x=7/9

x-4/x=7/9

9x-36=7x

2x=36

X=18

y=18-4
=14

Sachin's age is 14 years and rahuls age is 18 years

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