roofing contractor has 29 bundles, carries 2 bundles at a time , how many bundles on ground after 7 trip up ?

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Edita S. asked:


A roofing contractor has 29 bundles of roofing shingles that he needs to carry up a ladder and put onto a roof. He carries two bundles at a time. How many bundles are still on the ground after his 7th trip up the ladder?
hey thanks for all the answers 15 is the correct answer and i am not bad at math i just wanted to make sure because my classmates had diff. answers :)

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    • This entry was posted on Friday, March 12th, 2010 at 5:57 pm and is filed under roofing. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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    No Responses to “roofing contractor has 29 bundles, carries 2 bundles at a time , how many bundles on ground after 7 trip up ?”

    1. Just Me Says:
      March 18th, 2010 at 3:35 pm

      Is this a trick question?
      Or is it that you are just really bad at math?

    2. randyya_randyyaa Says:
      March 21st, 2010 at 11:48 am

      15 7×2=14 14 - 29 = 15