Your friend has $90 when he goes to the fair. He spends $5 to enter the fair and $15 on food. Rides at the fair cost $1.50 per ride. Which function can be used to determine how much money he has left over after x rides?

A.) f(x) = 1.5x + 70

B.) f(x) = -1.5x + 70

C.) f(x) = -1.5x - 70

D.) f(x) = -20x + $90

Question

Your friend has $90 when he goes to the fair. He spends $5 to enter the fair and $15 on food. Rides at the fair cost $1.50 per ride. Which function can be used to determine how much money he has left over after x rides?

A.) f(x) = 1.5x + 70

B.) f(x) = -1.5x + 70

C.) f(x) = -1.5x - 70

D.) f(x) = -20x + $90

anonymous · Answer

B.) f(x) = -1.5x + 70

anonymous · Answer

You should move your question to the Mathematics section :)

anonymous · Answer

yes i just notice that i was on English lol