SOLUTION: A group of friends are renting a bus to attend a convention. The company charges a flat rate for a rental, regardless of the number of people using the bus. Fifteen people are plan

Question 1022990: A group of friends are renting a bus to attend a convention. The company charges a flat rate for a rental, regardless of the number of people using the bus. Fifteen people are planning on attending and want to split the cost evenly. If they get 9 more people they can reduce the cost of the rental by
$4.50 per person. How much does it cost to rent the bus?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= number of people renting bus
Let = the flat -rate cost to rent bus
-------------------

Multiply both sides by

It costs $180 to rent the bus
-----------------
check:

OK
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