Algebra 9R (NYS)  HELP!!!!
posted by Laruen .
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 nonpaying members are invited as honorees. How many paying members must attend in order for the association to meet its expenses?

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