Answer:
Over 8 weeks Erica saves $32
Explanation:
The variable x shows that number of weeks
The variable y shows the total amount of money saves
In the equation if we plugin 8 for variable x, since sh saved for 8 weeks
y = 4(8)
y = 32
So the total amount of money saves (also shows by the graph) is $32
over the span of 8 weeks