Homework Help: Precalculus

Posted by Elli on Thursday, December 22, 2011 at 8:41pm.

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.

Answer: c(x)=2000+15(x-100), if x>100

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

Precalculus - drwls, Friday, December 23, 2011 at 8:41am
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.

Answer this Question

Related Questions

math - Nineteen members or 38% of the ski club are going on ski trip. Find the ...
pre-algebra - Nineteen members, or 38 members of the ski club are going on a ski...
science - the ski lift chair at a ski report is 2560m long. on average, the ski ...
English - I forgot these other two sentences for you to check. 1) Her younger ...
English - 1. They are skating in an ice rink. 2. They are skating at an ice rink...
math - A ski resort offers a weekend ski package for $80 per person or $6000 ...
word problem elementary reposed - A ski resort offers a weekend ski package for...
English - I really need your help to express a few things related to skiing. As ...
Math - 2. A rental company charges a flat fee of $50 to rent a jet ski.In ...
VHS - A ski starts from rest and slides down 22 degree incline 75 m long.If the ...

For Further Reading

First Name:
School Subject:
Answer: