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SVP

Joined: 16 Oct 2003

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09 Jun 2004, 18:35

Answers with explainations.

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SVP

Joined: 30 Oct 2003

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Location: NewJersey USA

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[#permalink]

09 Jun 2004, 18:53

(378-216)/3 = 162/3 = 54

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Location: Houston, TX

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[#permalink]

09 Jun 2004, 21:21

d = r*t

Day 1: 216 = r(t-3)
Day 2: 378 = rt

216 = rt-3r
216 = 378-3r
-162 = -3r

r = 54

[#permalink] 09 Jun 2004, 21:21

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