Question

Mike pays $20 per hour algebra tutoring. Identify the constant of proportionality that relates his tutoring charges (y) to the number of hours (x) he meets with his tutor.

A) x
B) y
C) $20
D) x + y

Answer 1

a constant is a variable that never changes. You can change the number of times you meet with a tutor and you can change how many hours you have with the tutor, but you can't change how much they pay. Therefore the answer is C $20. Explanation: