SOLUTION: A group of friends hire a bus for the day for $480 agreeing to share the cost equally. At the last minute two more people decide to get on the bus and as a result each person pays

Question 983419: A group of friends hire a bus for the day for $480 agreeing to share the cost equally. At the last minute two more people decide to get on the bus and as a result each person pays eight dollars less how many people were on the bus?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
At first assume there are N friends so each person paid,
Now that 2 more people showed up there are N+2 friends and each pays,
So,

Only the positive solution makes sense here,

So originally there were 10 people, the cost was $48 per person.
When the two additional people came, the cost was $40 per person.
So at the end there were 12 people on the bus.

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