ANSWER:
160 people
STEP-BY-STEP EXPLANATION:
We can determine the number of people since we know the number of cups per gallon.
One gallon equals 16 cups, therefore:
[tex]10\text{ gallons}\cdot\frac{16\text{ cups}}{1\text{ gallons}}=160\text{ cups}[/tex]This means that in 10 gallons there are 160 cups, this means that a total of 160 people can be fed with ice cream