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April 20, 2014

Homework Help: 4th grade math

Posted by es on Wednesday, January 9, 2013 at 8:51pm.

A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has enough pieces left to make up the same length as 4 origional boards. How many origional boards did he start with?
Someone told me the answer is 10 but I do not understand how they got it. I would like to know how to do the question, so can you explain the steps.
Thanks

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