# Physics

while john is traveling along an interstate highway, he notices a 160-mile marker as he passes through town. later john passes another mile marker, 115.
a. what is the distance between town and john's current location?
b.what is john's current location?

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1. a. d = 115-160 = -45 miles.
The negative sign means the number decreased.

b A decreasing marker number means you are traveling South or West. Therefore,
John is 45 miles South or West of town.

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2. While John is traveling along an interstate
highway, he notices a 167 mi marker as he
passes through town. Later John passes a
104 mi marker.

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