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.