Joe needs to paint all the airplane hangars at the airport, so he buys 360 gallons of paint to do the job. During the first week, he uses 1/4 of all the paint. During the second week, he uses 1/4 of the remaining paint. How many gallons of paint has Joe used?
Choose the correct choice from the following answers.
A) 18  B) 157  C) 175  D) 216  E) 250
Total paint initially = 360 gallons   Paint used in the first week = (1/4)*360= 
<gadget id="calculator">(1/4)*360</gadget>
<output>90</output>
90 gallons.   Remaning paint= 270 gallons   Paint used in the second week = (1/4)*270 = 67 gallons   Total paint used = 157 gallons.   Option 157
<result>B</result>
Joe needs to paint all the airplane hangars at the airport, so he buys 360 gallons of paint to do the job. During the first week, he uses 1/4 of all the paint. During the second week, he uses 1/4 of the remaining paint. How many gallons of paint has Joe used?