Problema Solution

a woman is four times as old as her daughter ,if the difference in their ages is 21 years, the age of daughter would be?

Answer provided by our tutors

Let

x = woman's age

y = daughter's age

x = 4y

x - y = 21

........

click here to see the system of equations solved for x and y

........

x = 28 years

y = 7 years

The daughter is 7 years old.