Problema Solution
Johns age is 4 times Matthews age. The sum of their ages is 40 years. How old is john
Answer provided by our tutors
Let
x = John's age
y = Matthew's age
x = 4y
x + y = 40
........
click here to see the system of equations solved for x and y
........
x = 32 years
y = 8 years
John is 32 years old.