BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Room Rent

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Master | Next Rank: 500 Posts
Posts: 172
Joined: Wed Oct 31, 2007 11:21 am
Thanked: 1 times

Room Rent

by gmattester » Fri Aug 22, 2008 10:49 am
On a Saturday night, each of the rooms at a certain motel was rented for either $40 or $60. If 10 of the rooms that were rented for $60 had instead been rented for $40, then the total rent the motel charged for that night would have been reduced by 25 percent. What was the total rent the motel actually charged for that night?
(A) $600
(B) $800
(C) $1,000
(D) $1,600
(E) $2,400
Top
Source: — Problem Solving |
Newbie | Next Rank: 10 Posts
Posts: 4
Joined: Thu Aug 14, 2008 12:52 pm
Location: Chicago

by gennatay » Fri Aug 22, 2008 11:02 am
Is the answer B
Top
Master | Next Rank: 500 Posts
Posts: 258
Joined: Thu Mar 29, 2007 3:15 am
Thanked: 7 times
Followed by:1 members

by anju » Fri Aug 22, 2008 11:05 am
B: $800
Top
Legendary Member
Posts: 829
Joined: Mon Jul 07, 2008 10:09 pm
Location: INDIA
Thanked: 84 times
Followed by:3 members

Re: Room Rent

by sudhir3127 » Fri Aug 22, 2008 11:06 am
gmattester wrote:On a Saturday night, each of the rooms at a certain motel was rented for either $40 or $60. If 10 of the rooms that were rented for $60 had instead been rented for $40, then the total rent the motel charged for that night would have been reduced by 25 percent. What was the total rent the motel actually charged for that night?
(A) $600
(B) $800
(C) $1,000
(D) $1,600
(E) $2,400
i go with B 800

let X be the total number of rooms rented for 40 dollars
and total cost = Y

10(60)+X(40)=Y ( 10 rooms @60 and some rooms @40).................1


10(40)+X(40)=.75Y ( If 10 rooms we rented @ 40 , the total rent would be reduced by 25%)....................................................................2

solve 1 and 2 to get 800

hope it helps..
do let me know if u have any doubts







Solving for Z, you get 800.
Top
Master | Next Rank: 500 Posts
Posts: 172
Joined: Wed Oct 31, 2007 11:21 am
Thanked: 1 times

Re: Room Rent

by gmattester » Fri Aug 22, 2008 11:11 am
sudhir3127 wrote:
gmattester wrote:On a Saturday night, each of the rooms at a certain motel was rented for either $40 or $60. If 10 of the rooms that were rented for $60 had instead been rented for $40, then the total rent the motel charged for that night would have been reduced by 25 percent. What was the total rent the motel actually charged for that night?
(A) $600
(B) $800
(C) $1,000
(D) $1,600
(E) $2,400
i go with B 800

let X be the total number of rooms rented for 40 dollars
and total cost = Y

10(60)+X(40)=Y ( 10 rooms @60 and some rooms @40).................1


10(40)+X(40)=.75Y ( If 10 rooms we rented @ 40 , the total rent would be reduced by 25%)....................................................................2

solve 1 and 2 to get 800

hope it helps..
do let me know if u have any doubts







Solving for Z, you get 800.
OA is B...
Thanks for explanation
Top
Master | Next Rank: 500 Posts
Posts: 258
Joined: Thu Mar 29, 2007 3:15 am
Thanked: 7 times
Followed by:1 members

by anju » Fri Aug 22, 2008 11:11 am
anju wrote:B: $800
i solved it the other way.
10 rooms which were to be rented out at 60$ were rented at $ 40. So less rent = 10* 20 = 200
So 25 percent of x is 200:
.25x = 200 => x = 800
Top
Post new topic Post Reply
• Page 1 of 1