Question

ratio between the present age of A:B IS 5:7. if the total of the age of A&B is 60 years find the age of B

Answer 1

let age of a =5x

age of b=7x

total=60

5x+7x=60

12x=60

x=60/12=5

age of a = 5x=5*5=25

age of b=7x=5*7=35