algebra

8gal7qt minus 3gal 2qt = 5gal 5qt. This is a subtraction problem involving both gallons and quarts. First subtract the quarts, 7qt-2qt = 5qt, leaving the result of 5gal 5qt. Then subtract the gallons, 8gal-3gal = 5gal, which is combined with the result of 5qt to get the final answer of 5gal 5qt.