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February 28, 2015

February 28, 2015

Posted by **wilma** on Tuesday, August 30, 2011 at 2:15pm.

- algebra -
**Reiny**, Tuesday, August 30, 2011 at 3:18pm22 minutes = 22/60 or 11/30 hours.

let time going up be t hrs

then time going down is (11/30 - t) hrs.

5t = 50(11/30 - t)

5t = 55/3 - 50t

55t = 55/3

t = 1/3

distance to top is 5t = 5(1/3) = 5/3 miles

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