Two boys A nd B hv their age in the ratio of 5:2 after 7 years ago the ratio of their age is 4:3 wht will be the age of A
Answers
Answered by
1
5x+7/2x+7=4/3
3(5x+7)=4(2x+7)
15x+21=8x+28
15x-8x=28-21
7x=7
x =1
A=5x=5(1)=5 years
B=2x=2(1)=2 years
PLEASE MARK AS BRAINLIST ANSWERS
3(5x+7)=4(2x+7)
15x+21=8x+28
15x-8x=28-21
7x=7
x =1
A=5x=5(1)=5 years
B=2x=2(1)=2 years
PLEASE MARK AS BRAINLIST ANSWERS
Similar questions