10
Gene has a gasoline budget of $225 per month. He uses an average of $7 of gasoline each day he drives. Which of the following
equations represents how much money is left in his gasoline budget after x days of driving?
OA. y = 225x - 7
OB. y = 225 + 7x
OC. y=7x - 225
OD. y = 225 - 7x