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# PS 7

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SVP
Joined: 16 Oct 2003
Posts: 1801

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01 Jun 2004, 18:44
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SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA

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01 Jun 2004, 19:18
let x be the distance. Jeff arrives at 60*x/40 minutes at work which is 12 minutes late
so 60x/40-12 = 60x/48-7
Solve for x and you will get 20 miles
Director
Joined: 25 Jan 2004
Posts: 721
Location: Milwaukee

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05 Jun 2004, 21:33
you can also solve this

let difference in time between two trips is 5 min

there fore 5/60 = d/40 -d/48

solving you get d = 20
_________________

Praveen

05 Jun 2004, 21:33
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