Your friend has $80 when he goes to the fair. he spends $4 to enter the fair and $12 on food. rides at the fair cost $1.25 per ride. which function can be used to determine how much money he has left over after x rides?

a) f(x) = 1.25x + 64

b) f(x) = -16x + $80

c) f(x) = -1.25x + 64

d) f(x) = -1.25x - 64

Maryann’s friends loved her bulletin board, and 4 of them asked her to make one for their homes. she offered to make each of her friends a replica of her bulletin board that measures 2 meters by 3 meters. how many kilograms of burlap should maryann collect to complete the bulletin boards for her friends? maryann should collect kg of burlap.