The cost to rent a small bus for a trip is

This topic has expert replies
Senior | Next Rank: 100 Posts
Posts: 79
Joined: Sat May 24, 2008 8:57 pm
Location: O-Town FL
Thanked: 1 times
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
Source: — Problem Solving |

Senior | Next Rank: 100 Posts
Posts: 97
Joined: Sat Jun 06, 2009 10:48 pm
Thanked: 4 times

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

please recheck

Junior | Next Rank: 30 Posts
Posts: 17
Joined: Sat Mar 01, 2008 2:32 pm
Location: Zurich
Thanked: 1 times

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.