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Algebra

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A petroleum company has two different sources of crude oil. The first source provides crude oil that is 35% hydrocarbons, and the second one provides crude oil that is 60% hydrocarbons. In order to obtain 120 gallons of crude oil that is 55% hydrocarbons, how many gallons of crude oil must be used from each of the two sources?

  • Algebra - ,

    work with the amount of hydrocarbons present in each part:

    .35x + .6(120-x) = .55*120
    x = 24

    so, 24 gals of 35%, and 96 gals of 60%

  • Algebra - ,

    25,8

  • Algebra - ,

    you left the most garbage explanation I may have seen in my entire life. Save your hands, and don't post unless its worth reading.

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