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# A survay of the movie goers showed that 20% saw all three

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Director
Joined: 03 Jul 2003
Posts: 655
Followers: 2

Kudos [?]: 22 [0], given: 0

A survay of the movie goers showed that 20% saw all three [#permalink]  07 Jan 2004, 13:11
A survay of the movie goers showed that 20% saw all
three movies of the month, 10% have not seen any of the
top movies of the month, and each of the movie
has been seen by 47%, 48% and 55% of the survayed
audience respectively. What percent of the survayed
saw only two of the top three movies of the month?
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4313
Followers: 27

Kudos [?]: 217 [0], given: 0

I got 40% somehow.
90 = 47 + 48 + 55 -20 - (total who saw only 2 movies)
_________________

Best Regards,

Paul

Director
Joined: 13 Nov 2003
Posts: 971
Location: Florida
Followers: 1

Kudos [?]: 32 [0], given: 0

I think, I screwed my Venn dia. what's the official answer...pls, divulge. I can't wait till tomorrow.
Director
Joined: 03 Jul 2003
Posts: 655
Followers: 2

Kudos [?]: 22 [0], given: 0

The official answer is 40%, but I also got 20%

Paul: Could to explain the steps?
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4313
Followers: 27

Kudos [?]: 217 [0], given: 0

Here it is. Ooops, have some problems with the upload
Attachments

GMATclub1.doc [443.5 KiB]

_________________

Best Regards,

Paul

Last edited by Paul on 07 Jan 2004, 14:27, edited 1 time in total.
Director
Joined: 14 Oct 2003
Posts: 588
Location: On Vacation at My Crawford, Texas Ranch
Followers: 1

Kudos [?]: 9 [0], given: 0

Formula

Part 1 + Part 2 + Part 3 - More than 1+ NONE = Total

48 + 47 + 55 -20 + 10 = 140% thus, 40% is still double counted.

Thus 40 percent saw only 2 movies.
Director
Joined: 13 Nov 2003
Posts: 971
Location: Florida
Followers: 1

Kudos [?]: 32 [0], given: 0

Titleist wrote:
Formula

Part 1 + Part 2 + Part 3 - More than 1+ NONE = Total

48 + 47 + 55 -20 + 10 = 140% thus, 40% is still double counted.

Thus 40 percent saw only 2 movies.
\

shooo..now, I see where I went wrong.
Director
Joined: 14 Oct 2003
Posts: 588
Location: On Vacation at My Crawford, Texas Ranch
Followers: 1

Kudos [?]: 9 [0], given: 0

dj wrote:
Titleist wrote:
Formula

Part 1 + Part 2 + Part 3 - More than 1+ NONE = Total

48 + 47 + 55 -20 + 10 = 140% thus, 40% is still double counted.

Thus 40 percent saw only 2 movies.
\

shooo..now, I see where I went wrong.

djaaaaaaaaaaaaay! - you're an ace when it comes to these problems! you did stay up late last night. I'll give you that!
Director
Joined: 13 Nov 2003
Posts: 971
Location: Florida
Followers: 1

Kudos [?]: 32 [0], given: 0

Titleist wrote:
dj wrote:
Titleist wrote:
Formula

Part 1 + Part 2 + Part 3 - More than 1+ NONE = Total

48 + 47 + 55 -20 + 10 = 140% thus, 40% is still double counted.

Thus 40 percent saw only 2 movies.
\

shooo..now, I see where I went wrong.

djaaaaaaaaaaaaay! - you're an ace when it comes to these problems! you did stay up late last night. I'll give you that!

ye,, i know..poor me
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