Posted by **Frank** on Tuesday, December 1, 2009 at 3:28pm.

the total cost for a school bus rental is 350$/day. Each bus holds 60 students. Find the cost (c) of renting the school bus as a function of the number of students going on a trip (n).

My answer:

I have come up with relating the 350$ to n/60 but i am stuck on where to go from here. Can somebody help me? Thanks.

- Math -
**drwls**, Tuesday, December 1, 2009 at 6:01pm
If n is the number of students going, the cost per student per day is $350/n.

If the bus is full, the cost per student is 350/60 = $5.83.

The function is undefined for n>60.

Therefore

f(n) = $350/n, 1<n<59

f(n=60) = $5.83

f(n>60) = undefined

- Math -
**Frank**, Tuesday, December 1, 2009 at 6:19pm
Thank you very much. I wrote my question incorrectly. It should be the cost of renting buses (plural). Would that be something like 350 times n/60?

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