Question

Sally pays $38 per hour for dance class after paying the enrollment fee of $100. Identify the constant of proportionality that relates her dance class charges (y) to the number of hours (x) she goes to class.
A) x
B) y
C) $38
D) $138

Answer 1

C because y=mx+b and the constant is the slope which is m. The equation is y =38x+100