Question

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

Answer 1

Explanation:

from the graph above, the intersect of both lines would give the answer...

C. 5 quarts, 25 gallons

You can substitute the values in both equations to verify the answer