Question

Please solve urgent​

Answer 1

Answer:

suppose the sonu age 7x

suppose the monu age 5x

10 years after sonu age 7x + 10

10 years after monu age 5x + 10

7x+10/ 5x+10= 9/7

cross multiply

9(7x+10)=7(5x+10)

63x+90=35x+70

63x-35x=70-90

28x= -20

x = -20/28

×=5/7