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September 23, 2014

September 23, 2014

Posted by **Rosanna** on Wednesday, June 9, 2010 at 3:35pm.

- college algebra -
**PsyDAG**, Thursday, June 10, 2010 at 12:22pmDistance = rate * time

Let x = speed of current

rate upstream = 34 - x

rate downstream = 34 + x

21(34 - x) = 13(34 + x)

Solve for x.

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