Megan buys paint for her artwork. The graph shows the relationship between the
number of bottles of paint, x, she buys
and the ounces of paint, y, that she has.
y Bottles of Paint
20
15
Paint (ounces)
10
5
0
1 2 3 4
Number of Bottles
What is an equation in terms of x and y
that can be used to model the
proportional relationship?