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25 February, 11:34

The price of a gallon of unleaded gas was $2.86 yesterday. today, the price fell to $2.79. find the percentage decrease. round your answer to the nearest tenth of a percent

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  1. 25 February, 11:49
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    First, solve for the difference between the two prices. That is, $2.79 - $2.86 which is equal to - $0.07. Divide this value by the original price and multiply by 100%. This is shown below,

    (-$0.07 / $2.86) x100% = - 2.448%

    Thus, the percentage decrease is approximately equal to 2.4%.
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