SOLUTION: a plane can cost accomodate 325 passengers for an overseas flight. a first class seat cost $750 and a economy sear cost $525. the fuel for the flight cost $3000. if the revenue fo

Question 229949: a plane can cost accomodate 325 passengers for an overseas flight. a first class seat cost $750 and a economy sear cost $525. the fuel for the flight cost $3000. if the revenue for ticket sales is $193 125 for a full plain, find the number of first class seats and economy seats.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Let f=number of first class passengers; 325-f=number of economy seats.
750f+525(325-f)=193125
750f+170625-525f=193125
225f=22500
f=100
325-100=225 economy seats.
.
Ed
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