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Adding & subtracting decimals word problems

Problem

Rosa is building a guitar. The second fret is 33.641mm from the first fret. The third fret is 31.749mm from the second fret.
How far is the third fret from the first fret?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
mm
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