Sean and Wilson went shopping with the same amount of money. After Sean spent $98 and Wilson spent $490, the ratio of Sean's money to Wilson's money became 9:2.

(a) How much money did Sean bring for shopping?
(b) How much moneu had Wilson left?

each one starts with x

(x-98)/(x-490) = 9/2
9x - 4410 = 2x - 196

continue by solving for x, then stating your answers