Question 308509
A family of four drinks 8 gallons of milk in 4 weeks, how many more gallons of milk will the family drink in 12 weeks?***

In 4 weeks the family drinks 8 gallons of milk
In 12 weeks they will drink ?

This is direct proportion 

12 * 8/4
= 24 liters

They will drink 24 - 8 = 16 gallons more