shelbyjoy2010p4df0y shelbyjoy2010p4df0y
  • 19-02-2018
  • Mathematics
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The price of a notebook was $3.50 yesterday. Today, the price rose to $3.75. Find the percentage increase. Round your answer to the nearest tenth of a percent.

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SatansGF
SatansGF SatansGF
  • 19-02-2018
7.1 i think, i will check in a second
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VenusRetrograde
VenusRetrograde VenusRetrograde
  • 19-02-2018
[tex] \frac{3.50}{100} = \frac{3.75}{x} [/tex]
cross multiply
3.5x=375
x=107.1%

7.1% increase
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