Terry sold 30 cans of paint at a total cost of $425. a can of paint holding one quart cost $10 each. a can of paint holding one gallon cost $15 each. the equations and graph below can be used to determine the number of cans of paint terry sold, where x represents the number of quarts of paint, and y represents the number of gallons of paint.

number of cans: x + y = 30
total cost of cans: 10x + 15y = 425

a. 42 quarts, 28 gallons

b. 25 quarts, 5 gallons

c. 5 quarts, 25 gallons

d. 15 quarts, 15 gallons