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GMAT distance math

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saafiin
 Post subject: GMAT distance math
 Post Posted: Sat Nov 19, 2011 12:48 pm 
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A circular jogging track which forms an edge around a circular lake that has a diameter of 2 miles. John walked around the track at a average rate of 3 miles per hour. If T represent the number of hour it took John to walk completely around the lake. Which of the following is a correct statement?

a. 0.5<t<0.75
b. 1.75<t<2.00
c. 2.00<t<2.50
d. 2.75<t<3.00
e. 3.00<t<3.50

Can some one please help me out solving the problem?
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RonPurewal
 Post subject: Re: GMAT distance math
 Post Posted: Wed Nov 23, 2011 6:49 am 
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ManhattanGMAT Staff


Posts: 7146
saafiin wrote:
A circular jogging track which forms an edge around a circular lake that has a diameter of 2 miles. John walked around the track at a average rate of 3 miles per hour. If T represent the number of hour it took John to walk completely around the lake. Which of the following is a correct statement?

a. 0.5<t<0.75
b. 1.75<t<2.00
c. 2.00<t<2.50
d. 2.75<t<3.00
e. 3.00<t<3.50

Can some one please help me out solving the problem?


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