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# A certain NYC taxi driver has decided to start charging a

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Director
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A certain NYC taxi driver has decided to start charging a [#permalink]  20 Nov 2007, 06:27
A certain NYC taxi driver has decided to start charging a rate of r cents per person per mile. How much, in dollars, would it cost 3 people to travel x miles if he decides to give them a 50% discount?

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Manager
Joined: 20 Jun 2007
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r cents per person per mile

x miles: xr cents per person
3 people:3xr cents
=
$3xr/100 50% discount =>$3xr/200
Director
Joined: 10 Feb 2006
Posts: 664
Followers: 3

Kudos [?]: 121 [0], given: 0

Why did you divide by 100?
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GMAT the final frontie!!!.

Manager
Joined: 20 Jun 2007
Posts: 157
Followers: 1

Kudos [?]: 15 [0], given: 0

To turn cents into dollars.
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