Math

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For a field trip, a bus company charges a flat fee plus an additional fee per student. For 25 students, the total cost is $167.50. If there are 70 students, the total cost is $370.00. Write an equation that represents the total cost y of the field trip for x students. What would the total cost be if 110 students went on the field trip?

  • Math -

    cost=flat+numberkids*costperkid
    370=flat+70*costperkid
    167.5=flat+25*costperkid

    subtract second equation from first..
    370-167.5=45*costperkid
    solve for costper kid, then go back and solve for flat.

  • Math -

    Something tells me this is not the real bobpursley ...

  • Math -

    Thanks, Steve.

    Will be deleted and banned within a couple of minutes.

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