Problema Solution
sonny is twice as old as james. Four years ago, he was four times as old as James. When will the sum of their ages be 66?
Answer provided by our tutors
sonny age = x
james = y
x = 2y
x-4 = 4(y-4)
=> 2y -4 = 4y-16
=> y = 6
=>x = 12
sonny age = 12
james age = 6