Question 1180208


Bank           7%           10000-(2x+200) = 9800-2x

Mom             5%           x+200

Friend          6%            x

Total            624         10000



(9800-2x)*7%  +(x+200)*5% +6%x =624

multiply by 100

(9800 -2x )*7+ 5*(x+200) +6x = 62400

68600 -14x +5x +1000 +6x =62400

-3x = -7200
x= 2400

mom $2600

Bank ----$ 5000