SOLUTION: a bus is to be chartered for the senior class trip. the basic fare is $9.50 per passenger. If more than 20 people go everyone's fare is reduced by $0.30 for each passenger over th
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Question 414788: a bus is to be chartered for the senior class trip. the basic fare is $9.50 per passenger. If more than 20 people go everyone's fare is reduced by $0.30 for each passenger over this number (20). At least how many people must go to make the fare less than $7.50 per passenger?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of passengers over 20 who
must go in order to make the fare less than $7.50 per passenger
----------------
The fare /passenger gets reduced by exactly dollars
if passengers above 20 go.
The total number of passenger is
----------------
(normal cost) - (discount) = (desired cost)
(nearest whole number)
-----------
If 26 people go, fare is (fare/person)x(number of people)
If 27 people go fare is (fare/person)x(number of people)
It looks like 27 people must go to make fare less than $7.50 per person
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