Respuesta :

Answer:

5 gallons.

Step-by-step explanation:

1 gallon = 16 cups

Set up two ratios and set them equal to each other.

1g / 16c = ?g / 80c

cross multiply

?g * 16 = 80

Divide both sides by 16

?g = 80 / 16

?g = 5 gallons