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If your car gets 22 mpg, and you drive 498 miles, how many pounds of CO2 would be produced by your trip (assume 19.8 lbs CO2 per gallon)? (round to the tenths place and do not include the unit)

Sagot :

[tex]\begin{equation*} 448.1 \end{equation*}[/tex]

1) Given that my car gets 22 miles per gallon, and I drive 498 miles I'll need to make reference to the emission rate of CO2 my car has: 19.8 lbs/gallon.

2) So, we can write out the following ratios. Firstly, we need to figure out how many gallons of gas were needed to drive 498 miles

[tex]\begin{gathered} 22miles--------1g \\ 498----------x \\ 22x=498 \\ x=\frac{498}{22} \\ x=22.63gallons \end{gathered}[/tex]

Now, we can write out the following relationship:

[tex]\begin{gathered} 19.8lbs---1gallon \\ y------22.63 \\ \frac{19.8}{y}=\frac{1}{22.63} \\ \\ y=448.074\approx448.1\:\frac{lbs}{gallon} \end{gathered}[/tex]

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