The Martin family has three children. Alex is five years older than Sarah. Jax is 3 times as old as Sarah. The sum of their ages total 20. Determine how old Alex is.
which this does no go in evenly so there will be a left over or decimal which is 6 r 2 or 6.2 so if it is 6.2 times by 3 = 12.6 + 7.4 = 20 so here your answer
