Question

SECTION 11 17. Half the sum of the present ages of a mother and daughter equal to the clipference bhen their ages now. In lour's time the mother's age will be exactly twice the daughter's ag Calculate their present ages​

Answer 1

Explanation:

let the present age of mother and daughter be x and y

`(1)/(2) * (x + y) = x - y\\x + y = 2x - 2y\\x = 3y --- (1)\\`

`x+4 = 2(y+4)\\3y+4 = 2y + 8\\y = 4\\x = 3y = 12`

Age of mother = 12 yrs

Age of daughter = 4 yrs