Answer: With 5 quarts of cleaning solution she would be able to clean 15 square yards of carpet.
Step-by-step explanation: Although substituting an equation might work if she is able to clean 12 square yards of carpet with 4 quarts then all you have to do is divide 12 by 4 to get the value of how many square yard can be cleaned with 1 quart from there you can take that value 5 times to find your answer, I hope this helps. Have a wonderful day ^^
