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The front wheels of a wagon are 2p feet in circumference and

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Manager
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The front wheels of a wagon are 2p feet in circumference and [#permalink] New post 20 Mar 2008, 06:15
The front wheels of a wagon are 2p feet in circumference and the back wheels have made 10 more revolutions than the back wheels how many feet has the wagon traveled.

20
30
30Pi
40Pi
60Pi
Please explain your answer. thanks
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Concentration: Entrepreneurship, Other
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Re: The front wheels [#permalink] New post 20 Mar 2008, 09:12
Expert's post
Something is missed here.
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Re: The front wheels [#permalink] New post 21 Mar 2008, 05:36
Sorry; needed some correction
The front wheels of a wagon are 2p feet in circumference and the back wheels are 3p feet in circumference. When the front wheel have made 10 more revolutions than the back wheels how many feet has the wagon traveled.

20
30
30Pi
40Pi
60Pi
Please explain your answer. thanks
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Re: The front wheels [#permalink] New post 21 Mar 2008, 15:04
Capthan wrote:
Sorry; needed some correction
The front wheels of a wagon are 2p feet in circumference and the back wheels are 3p feet in circumference. When the front wheel have made 10 more revolutions than the back wheels how many feet has the wagon traveled.

20
30
30Pi
40Pi
60Pi
Please explain your answer. thanks

2p*(n+10) = 3p*n
=> n = 20
distance travelled = 2p*(n+10) = 60p i.e. E
Re: The front wheels   [#permalink] 21 Mar 2008, 15:04
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The front wheels of a wagon are 2p feet in circumference and

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