Hi there!

Use slope formula to solve for the slope of the line:

Plug in points into the equation. We can use the points (0, -10) and (25, -5):

Mowing lawns he earned 520 and at the pizza place he earned 880
hope this helps!
S=saving
X=amount left
S-55=x
Another way : x=s-55
Answer: 16 percent
Step-by-step explanation: