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# Was Jake's average running speed for the first hour of his

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Senior Manager
Joined: 19 Nov 2007
Posts: 457
Was Jake's average running speed for the first hour of his [#permalink]

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11 Jan 2009, 16:47
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Was Jake's average running speed for the first hour of his 26-mile marathon 11 miles per hour?

(1) He ran the entire 26 miles in 2.5 hours
(2) He ran the last 15 miles in 1.5 hours
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Manager
Joined: 04 Jan 2009
Posts: 237

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11 Jan 2009, 17:33
vscid wrote:
Was Jake's average running speed for the first hour of his 26-mile marathon 11 miles per hour?

(1) He ran the entire 26 miles in 2.5 hours
(2) He ran the last 15 miles in 1.5 hours

(1) gives the average speed for the entire stretch.
(2) gives the speed in the period excluding 1st hour.
both are reqd to answer the question.
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tusharvk

Re: DS-MARATHON   [#permalink] 11 Jan 2009, 17:33
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