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January 27, 2015

January 27, 2015

Posted by **MNHS MNHS** on Tuesday, November 12, 2013 at 8:37pm.

(with solution pls... tnx)

- motion problem -
**Steve**, Tuesday, November 12, 2013 at 8:55pmsince time = distance/speed, if his speed is s, then

30/(s-2) = 2 + 30/(s+2)

s = 8

check:

downstream: 30/10 = 3

upstream: 30/6 = 5

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