If Henry were to add 7 gallons of water to a tank that is already 3/4 full of water, the tank would be 7/8 full. How many gallons of water would the tank hold if it were full? Choose the correct answer
A) 25  B) 40  C) 64  D) 80  E) 56
7/8x-3/4x=7galls   1/8*x=7gallons   x=56 gallons   ANswer 56
<result>E</result>
If Henry were to add 7 gallons of water to a tank that is already 3/4 full of water, the tank would be 7/8 full. How many gallons of water would the tank hold if it were full?