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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

19-02-2018

7.1 i think, i will check in a second

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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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