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The price of a notebook has risen to $3.90 today. Yesterday's price was $3.40 . Find the percentage increase. Round your answer to the nearest tenth of a percent.
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The price of a notebook has risen to $3.90 today. Yesterday's price was $3.40 . Find the percentage increase. Round your answer to the nearest tenth of a percent.

User Estebanuri
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7.3k points

2 Answers

5 votes

Answer:

14.7

Explanation:

User Joselufo
by
7.1k points
5 votes
$3.90 -$3.40 =$0.5($0.5/$3.90 )=(x/100)    (  0.5*100)=3.4x                 x =50/3.9                  x=12.8205 percent
User Romatthe
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7.7k points
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