The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.
Paint Coverage
dasd
1,000
1,600
1,400
21,200
1,000
800
600
400
200
0
Number of Gallons of Paint
Which of these best represents the rate of change of the maximum area painted with respect
to the number of gallons of paint used?

A 200ft/gal
200 m2 /981
C 400 ft/gal
D.00 n 1981