Answer:
Explanation:
Sounds as tho' Billy wants to say how many quarts of juice he mixes for the picnic. Since 1 gallon = 4 quarts,
3 gallons 4 quarts
-------------- * ---------------- = 12 quarts.
1 1 gallon
Billy goofed by using the wrong conversion factor (which would have been
1 gallon
--------------
4 quarts