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30 August, 19:40

In recent years, there has been a large push for an increase in the use of renewable resources to produce the energy we need to power our vehicles. One of the newer fuels that has become more widely available is E85, a mixture of 85% ethanol and 15% gasoline. Despite being more environmentally friendly, one of the potential drawbacks of E85 fuel is that it produces less energy than conventional gasoline. Assume a car gets 28.0 mi/gal using gasoline at $3.50/girl and 22.5 mi/gal using E85 at $2.85/gal. How much will it cost to drive 500. miles using each fuel?

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  1. 30 August, 19:52
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    Hi there!

    Answer:

    Total cost with gasoline : $ 62.50

    Total cost with E85 : $63.33

    Explanation:

    First, we must calculate the consumption in gallons of each type of fuel.

    For gas

    500 miles/28 miles * 1 gallon = 17.86 gallons

    For E85

    500 miles/22.5 miles * 1 gallon = 22.22 gallons

    With that, all we have to do is calculate the total cost in dollars.

    For gas

    17.86 galons * $3.5/gallon = $62.50

    For E85

    22.22 galons * $2.85/gallon = $63.33
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