# Math

While Driving down a mountain, top finds that he has descended 1800 ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. find the slope of his decent to the nearest hundredth.

I am not sure where to start on this equation. I know that m = y2-y1 over x2-x1, but I am not sure how to set this one up. Any suggestions or clues?

Thank you!

Russell

You must have heard the alternate way to define slope as rise/run

the rise is 1800 ft, for a run of 3.25 miles.
slope usually has not units (they cancelled out in the calculation), so you must have the same units.

there are 5280 feet in 1 mile, so change the 3.25 miles into feet
then form the fraction,

I had it reduce to 15/143

if you want to set it up your way, you would have two points (0,0) and (17160,1800) now do the y2... bit stuff

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