One evening 1500 concert tickets were sold for the Fairmont summer jazz festival. Tickets cost $25 for covered pavilion seats and $20 for lawn seats. Total receipts were $35,000.How many of each type of tickets were sold?

3 answers

P = L + 5

25P + 20L = 35000

Substitute L+5 for P in second equation and solve for L. Then solve for P.
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Find the slope of the line containing the given pair of points. If the slope is​ undefined, state this.

(−4,6) and (2,1)