Help-I don't understand this question.

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CrmnKnwls: Newbie | Next Rank: 10 Posts; Posts: 5; Joined: Thu Jul 22, 2010 9:32 am

by CrmnKnwls » Thu Jul 22, 2010 9:44 am

Ok so I took a GMATPrep test and I was hit with a question that I have no clue how to solve. The questions has a diagram that I couldnt copy and paste but the question reads:

A thin conveyor belt 15 feet long is drawn tightly around two circular wheels each 1 foot in diameter. What is the distance, in feet, between the center of the two wheels?

The answer choices were:

15-pie(3.14)/2
5pie/2
15-2pie
15pie
2pie

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Source: Beat The GMAT — Problem Solving | Thu Jul 22, 2010 9:44 am

outreach: Legendary Member; Posts: 748; Joined: Sun Jan 31, 2010 7:54 amFollowed by: 3 members; Thanked: 46 times

by outreach » Thu Jul 22, 2010 10:51 am

hopefully this helps

https://www.beatthegmat.com/gmat-practic ... t9391.html

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GMATGuruNY: GMAT Instructor; Posts: 15539; Joined: Tue May 25, 2010 12:04 pmFollowed by: 1906 members; Location: New York, NY; Thanked: 13060 times; GMAT Score:790

by GMATGuruNY » Thu Jul 22, 2010 12:46 pm

CrmnKnwls wrote:Ok so I took a GMATPrep test and I was hit with a question that I have no clue how to solve. The questions has a diagram that I couldnt copy and paste but the question reads:

A thin conveyor belt 15 feet long is drawn tightly around two circular wheels each 1 foot in diameter. What is the distance, in feet, between the center of the two wheels?

The answer choices were:

15-pie(3.14)/2
5pie/2
15-2pie
15pie
2pie

Please see the attached drawing.

Attachments

BTG_belt_problem.pdf: (49.5 KiB) Downloaded 117 times

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CrmnKnwls: Newbie | Next Rank: 10 Posts; Posts: 5; Joined: Thu Jul 22, 2010 9:32 am

by CrmnKnwls » Thu Jul 22, 2010 3:20 pm

Thanks for both post. I kind of understand both. I will study circles a little bit more in depth. Thanks again.

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