Assignment:
Rafael is filling up a 150 gallon tank. He is pouring the water at rate 2.5 gallons per minute.
a) Write an expression that represents how many gallons Rafael has poured since he began.
b) Write an equation that represents how long it will take for the tank to be 1/2 full.
c) Solve the equation in part c and say what your answer represents.
d) How many minutes does it take for the gallon to be all the way full?
Provide complete and step by step solution for the question and show calculations and use formulas.