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The price of a gallon of unleaded gas has dropped to $2.82 today. Yesterday's price was $2.87. Find the percentage decrease. Round your answer to the nearesttenth of a percent.__ %

1 Answer

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Answer

1.7%

Explanation

Percentage decrease is found as follows:


\text{ \% Decrease}=(-100)*\frac{final\text{ - initial}}{initial}

In this case, the final value is $2.82 and the initial value is $2.87. Substituting these values into the formula, we get:


\begin{gathered} \text{ \% decrease}=(-100)*(2.82-2.87)/(2.87) \\ \operatorname{\%}\text{ decrease }=(-100)*(-0.05)/(2.87) \\ \operatorname{\%}\text{ decrease }=1.7\text{ \%} \end{gathered}

User Roland Sarrazin
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