A county fair charges an entry fee of $7 and $0.75 for each ride token. You have $15. Write an expression that represents the amount (in dollars) you have left after entering the fair and purchasing n tokens (I need help figuring out these three questions):

A county fair charges an entry fee of 7 and 075 for each ride token You have 15 Write an expression that represents the amount in dollars you have left after en class=