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 1/2 of all the paint. During the second week, he uses 1/5 of the remaining paint. How many gallons of paint has Joe used?	Choose the correct answer
A) 18  B) 144  C) 175  D) 216  E) 250
Total paint initially = 360 gallons   Paint used in the first week = (1/2)*360= 
<gadget id="calculator">(1/2)*360</gadget>
<output>180</output>
180 gallons.   Remaning paint= 180 gallons   Paint used in the second week = (1/5)*180= 
<gadget id="calculator">(1/5)*180</gadget>
<output>36</output>
36 gallons   Total paint used= 216 gallons.   Option 216
<result>D</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 1/2 of all the paint. During the second week, he uses 1/5 of the remaining paint. How many gallons of paint has Joe used?