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The cost to rent a small bus for a trip is

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The cost to rent a small bus for a trip is

by LifetimesofSC » Mon Jun 08, 2009 12:22 pm
11. The cost to rent a small bus for a trip is x dollars, which is to be shared equally among the people taking the trip. If 10 people take the trip rather than 16, how many more dollars, in terms of x, will it cost per person?
(A) 6x
(B) 10x
(C) 16x
(D) 403x
(E) 803x


Answer - E
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by Claret » Mon Jun 08, 2009 12:49 pm
something wrong with the ans choices..

please recheck
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by vasbli » Mon Jun 08, 2009 1:21 pm
11. The cost to rent a small bus for a trip is x dollars, which is to be shared equally among the people taking the trip. If 10 people take the trip rather than 16, how many more dollars, in terms of x, will it cost per person?

for 10 people, individual cost is x/10
for 16, x/16.

x/10-x/16=(8x-5x)/80=3x/80 of extra cost.
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