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Posted by on Wednesday, May 23, 2012 at 12:52am.

The student council plans to have a BBQ lunch for the whole school to celebrate its victory in the volleyball finals. They need a total of 427 hotdogs and hamburgers. Hot dogs costs $0.25 each and hamburgers cost $0.80 each they have a budget of $203 for the event. How many of each should the school council buy?

  • Math - , Wednesday, May 23, 2012 at 3:49am

    number of hotdogs --- x
    number of hamburgers -- (427-x)

    .25x + .8(427-x) = 203
    times 100
    25x + 80(427-x) = 20300
    -55x + 34160 = 20300
    -55x = -13860
    x = 252

    need 252 hotdogs and 175 hamburgers

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