Last Week: $3.49This Week: $3.07. What is the percent change in the price of a gallon gas, to the nearest whole percent?

MayankBudhiraja asked Sep 1, 2023

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MayankBudhiraja asked Sep 1, 2023

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12 votes

we can write an equation

where x is the change

now, solve x

$\begin{gathered} 3.49-3.07=3.49x \\ (0.42)/(3.49)=x \\ x=0.12 \end{gathered}$

and the percentage is

$\begin{gathered} 0.12*100 \\ =12 \end{gathered}$

12%

Partik answered Sep 6, 2023

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