substract 8gal 7qt-3gal 2qt simple form

Question

is the answer 5gal 3 qt


4 gal 5 qt
6 gal 1 qt
5 gal 3 qt
5 gal 5.5 qt

Answer 1

Is this your problem?

8 gal 7 qt
- 3 gal 2 qt
______________
5 gal 5 qt

Answer 2

yes

Answer 3

The answer must be 5 gallons, 5 quarts. If you must choose between the four answers given, then you may have copied the problem wrong -- or the answer choices are wrong.

Answer 4

this is not a simplified solution, but I don't get it.

Answer 5

4gal 5qt + 8gal 2qt