Problema Solution
A board 7 1/2 inches long is cut from a board that is 2 feet long. If the width of the saw cut is 1/16 inch, what is the length of the remaining piece?
Answer provided by our tutors
1 ft = 12 in
x = the length ot the remaining piece
p = 7 1/2 in = 15/2 in the length of the piece that has been cut
d = 2 ft = 2*12 in = 24 in the length of the board
the width of the saw cut is 1/16 inch thus we can write
p + 1/16 + x = d
15/2 + 1/16 + x = 24
by solving we find
x = 16.4375 in
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the length of the remaining piece is 16.4375 inches.