Problema Solution

Nathan is 5 years older than Amber. In 4 years' time, he will be twice her. Ho old are they now?

Answer provided by our tutors

Let

n = Nathan's age now

a = Amber's age now

Nathan is 5 years older than Amber means:

n = a + 5

In 4 years:

n + 4 = 2(a + 4)

We have the following system of equations:

n = a + 5

n + 4 = 2(a + 4)

........

click here to see the system of equations solved for n and a

........

n = 6 years

a = 1 year

Nathan is 6 years old and Amber is 1 year old.