The price of a notebook has dropped to $3.30 today. Yesterday's price was $3.55. Find the percentage decrease. Round your answer to the nearest tenth of a percent. HELP!
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$\displaystyle 3.55 - 3.30 = 0.25 $ $\displaystyle \frac {0.25}{3.55} = 0.0704$ $\displaystyle 0.0704 * 100 = 7$%
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