SOLUTION: Sam is sawing a board into 5 pieces. Knowing that it takes him about 2 minutes to make one cut, he estimates that the job will take him about 10 minutes. What error did he mak

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Question 734737: Sam is sawing a board into 5 pieces. Knowing
that it takes him about 2 minutes to make one
cut, he estimates that the job will take him about 10 minutes.
What error did he make in his calculation?


A
He underestimated the time he needs to make a cut.


B
He decided that 5 cuts were needed to make the 5 pieces.


C
He planned to pick up speed as he worked.


D
He decided that the pieces had to be the same size.
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!

Notice that although there are 5 pieces to cut, only 4 cuts
(the red lines) need be made.

B is the answer.  He thought he needed to make 5 cuts but he
only needed to make 4.

Edwin