FINALSS! PLEASE HELP!
The circle graph below shows the percentages of paint color sold last year at the Main Street Hardware and Paint Store.

If 240 gallons of gray paint were sold last year, what was the total number of gallons of paint sold?
A. 3,600
B. 1,600
C. 600
D. 2,400
(sorry the image didn't show up, and percentage of grey is 15%)