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

Author Message
Director
Joined: 03 Jul 2003
Posts: 652
A survay of the movie goers showed that 20% saw all three [#permalink]

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07 Jan 2004, 14:11
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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: 4288

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07 Jan 2004, 14:42
I got 40% somehow.
90 = 47 + 48 + 55 -20 - (total who saw only 2 movies)
_________________

Best Regards,

Paul

Director
Joined: 13 Nov 2003
Posts: 960
Location: Florida

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07 Jan 2004, 14:46
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: 652

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07 Jan 2004, 14:48
The official answer is 40%, but I also got 20%

Paul: Could to explain the steps?
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4288

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07 Jan 2004, 15:17
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, 15:27, edited 1 time in total.
Director
Joined: 14 Oct 2003
Posts: 583
Location: On Vacation at My Crawford, Texas Ranch

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07 Jan 2004, 15:23
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: 960
Location: Florida

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07 Jan 2004, 17:41
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: 583
Location: On Vacation at My Crawford, Texas Ranch

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07 Jan 2004, 20:34
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: 960
Location: Florida

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07 Jan 2004, 20:38
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
07 Jan 2004, 20:38
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