Ricky has a 500 gallon tank filled with water from which he waters is garden. If the tank uses 3 gallons per day, how many gallons will be in the tank after 36 days?
Group of answer choices
150
First, you have to multiply 36 by 3. That should give you 180. After that, all you have to do is subtract 180 from 500. Your final answer is 392 gallons.