You have exactly 10 minutes to get to class for

your big test on lateral numbers! Your friend Gus

(who’s weirdly in to this sort of thing) says that class

is exactly 10,000 feet away. Let’s say you travel to

class at a rate of r feet/minute. You would like to get

there a few minutes early. More specifically, let’s say

you will arrive t minutes early.


a) Write an equation that relates r and t.