Problema Solution
Craig is 4 times older than John. In 12 years time Craig will be 2 times older than John is at present. How old is Craig now?
Answer provided by our tutors
Let
x = Craig's present age
y = John's present age
y = 4x
x + 12 = 2y
........
click here to see the system of equations solved for x and y
........
x = 1.71 years
y = 6.86 years
Craig is 1.71 years old now.