cost = 2000 + 15(x-100) , x ≥ 100
b) just divide all of the above by x
c) plug in your x
d) set your equation in a) equal to 16
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 for each of the skiers over 100.
a) write a formula to find the average cost of x skiers.
b)write a formula to find the average cost of the ticket per skier.
c)if 185 skiers go what will be the average cost per ticket?
d) how many skiers need to go to bring the price per ticket to $16.00?
1 answer
1 answer