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the price of a notebook was $3.15 yesterday. today, the price rose to $3.40 . find the percentage increase. round your answer to the nearest tenth of a percent.

Respuesta :

olemakpadu
Yesterday = $3.15
Today =     $3.40

% Increase =      ((3.40 - 3.15) / 3.15)  * 100%
   
                     =   (0.25/3.15)   * 100%
 
                     ≈       0.0794 * 100%
  
                     ≈ 7.94 %

                    ≈ 7.9 %   to the nearest tenth.

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