Irene R. answered 05/03/20
BS in Mechanical Engineering and Certified math teacher for 13 years
First, 16 cups is equivalent to 1 gallon.
Since this problem starts with 3.5 gallons, we just need to multiply by 16 to determine the number of cups that would be equivalent to 3.5 gallons:
3.5 x 16 = 56 cups
3.5 gallons is equivalent to 56 cups