Question

Marta is planning a field trip to the zoo. Admission to the zoo is $12 per student and $20 per adult. What expression represents the total cost of admission for a group of x students and y adults?

Answer 1

12x+20y

Answer 2

12x + 20y

Answer 3

admission fee for each student =$12
admission fee for each adult =$20
let the number of students = x
the number of adults =y
total cost = 12x + 20y