Question

A pipe is leaking at 1.5 cups per day. About how many gallons per week is the pipe leaking.

Answer 1

After 1 week of leaking 1.5 cups a day, it will have leaked 10.5 cups.  There are 16 cups in a gallon, so the answer is 10.5/16, or .65625 gallons (or 21/32 gallons)

Hope this helps!