Joe and Ben are saving up money for a new x-box game.Joe has saved $15.00 in 2 weeks and $37.50 in 5 weeks.Bens savings are represented by the equation y=8.25x.Find the difference in their savings each week
37.50/5 = $7.50/week
so the difference is 8.25-7.50 = $0.75/week