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

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Director
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A survay of the movie goers showed that 20% saw all three [#permalink] New post 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?
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 [#permalink] New post 07 Jan 2004, 13:42
I got 40% somehow.
90 = 47 + 48 + 55 -20 - (total who saw only 2 movies)
answer = 40%
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Paul

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 [#permalink] New post 07 Jan 2004, 13:46
I think, I screwed my Venn dia. what's the official answer...pls, divulge. I can't wait till tomorrow. :shock:
Director
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 [#permalink] New post 07 Jan 2004, 13:48
The official answer is 40%, but I also got 20%

Paul: Could to explain the steps?
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 [#permalink] New post 07 Jan 2004, 14:17
Here it is. Ooops, have some problems with the upload
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Last edited by Paul on 07 Jan 2004, 14:27, edited 1 time in total.
Director
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 [#permalink] New post 07 Jan 2004, 14:23
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
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 [#permalink] New post 07 Jan 2004, 16:41
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
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 [#permalink] New post 07 Jan 2004, 19:34
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! :snipersmile: you did stay up late last night. I'll give you that!
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 [#permalink] New post 07 Jan 2004, 19:38
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! :snipersmile: you did stay up late last night. I'll give you that!


ye,, i know..poor me
  [#permalink] 07 Jan 2004, 19:38
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