Posted by Annie on Sunday, May 23, 2010 at 12:12am.
Three pieces of wood are needed for a project.
They are to be cut from a 90cmlong piece of
wood. The longest piece is to be 3 times as long as
the middlesized piece and the shortest piece is to
be 10 cm shorter than the middlesized piece. Can
this be done with two cuts? If so, tell how.

math  Jen, Sunday, May 23, 2010 at 12:45am
The pieces are 10 cm, 20 cm, and 60 cm. I don't think this can be done with two cuts. I think that you woudl need three.

math  drwls, Sunday, May 23, 2010 at 7:29am
After cutting off a 60 cm piece, and 20 cm off the remaining 40 cm, you will be left with 10 cm. That is two cuts. You could also change the order.
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