Question

Henry bought a gallon of milk on Monday. That day, he drank 2 cups of milk. On Tuesday, he drank 1 cup of milk and his brother had 2 cups of milk. On Wednesday, both Henry and his brother had 2 cups of milk. How many cups of milk are left in the gallon?

Answer 1

there are 7 cups left

Answer 2

16 cups in a gallon
Monday: 16-2=14
Tuesday: 14-3=11
Wednesday: 11-4=7
7 cups of milk are left