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Algebra 9R (NYS) - HELP!!!!

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A hotel charges $20 for the use of its dining room plus $2.50 for each lunch. An association is using the hotel for a meeting and charges its members $3 per person to attend. Four non-paying members are invited as honorees. How many paying members must attend in order for the association to meet its expenses?

  • Algebra 9R (NYS) - HELP!!!! - ,

    If there are p paying members, their fees ($3 each) must cover the costs (including the 4 meals for the guests):

    3p = 20 + 2.5p + 4*2.5
    p = 60

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