Question

the some of the present ages of mother and her daughter is 50 years.After 20 years mother's ages will be twice her daughter's age at that time. Find their presentation ages.

Answer 1

Let the daughter's age be = x
and the mothers be =y

x+y=50

after 20 years
x+20 = y + 20 =2x
x + 20 = 2x
x=20
y=30