Answer-
The price of gas will be $4.2
Solution-
Gas prices in shelby county = $3.00 per gallon
Market scientist predicts a 40% increase in the price of gas in the coming month.
So the new price will be,
[tex]=3+(3\times \dfrac{40}{100})[/tex]
[tex]=3+(3\times 0.4)[/tex]
[tex]=3+1.2[/tex]
[tex]=4.2[/tex]
Therefore, the price of gas will be $4.2