SOLUTION: Billy rides his gas-efficient motor scooter to school everyday in a meandering way. He rides 5 miles north, then 3 miles east, then 6 miles south, then 8 miles west, then 3 miles

Question 539772: Billy rides his gas-efficient motor scooter to school everyday in a meandering way. He rides 5 miles north, then 3 miles east, then 6 miles south, then 8 miles west, then 3 miles north, then 10 miles east, then 2 miles west, then 7 miles north, then 15 miles west, then 9 miles south, then 6 miles east, then 4 miles west, then 13 miles south, then 3 miles west, then 4 miles north, then 12 miles east to reach school. If, instead of meandering, Billy rode in a straight line to school, what would be the slope of the line perpendicular to the path? please show me the steps
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add all the North trips

Add all the South trips

Add all the east trips

Add all the West trips

Subtract North trips from South trips
mi South
Subtract East trips from West trips
mi West
This is a line from (0,0) to (-1,-9)
The slope is
A line perpendicular to this path has
slope = -1/m = -1/9
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