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April 18, 2015

April 18, 2015

Posted by **David** on Tuesday, February 13, 2007 at 7:01pm.

I am sorry that you did not get a response to your post earlier.

You need to use the same units. Convert 3.25 miles to feet, noting that there are 5280 feet in a mile. Then divide that into 1600 to get the slope. Since it is decreasing rather than increasing, you need to remember that the slope is negative.

I hope this helps. Thanks for asking.

- Math -
**George**, Sunday, February 14, 2010 at 2:22pmm= (-1800)ft* (1 mi/5280 ft) / 3.25 mi = - 1800 / 5280 / 3.25 = - .1048 = - .10

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