# Precalculus

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The Downhill Ski club is organizing a ski trip. Group tickets for the ski trip are priced at \$20 for the first 100 skiers and a discount of \$5.00 per ticket for each of the skiers over 100.

a) write a formula to find the cost of x skiers.

b) How many skiers need to go to bring the price per ticket to \$16.00.

• Precalculus -

You got part (a) correct.

For (b), solve:

2000+15(x-100) = 16 x
x = 2000 -1500 = 500

400 of the 500 skiers get \$15 tickets.
Total revenue is 6000 from them and 2000 from the first 100, or \$8000. That is an average of \$16 each.

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