While John is traveling along a straight interstate
highway, he notices that the mile marker
reads 241 km. John travels until he reaches
the 134 km marker and then retraces his path
to the 167 km marker.
What is John’s resultant displacement from
the 241 km marker?
Answer in units of km.

Refer to the diagram shown below.

Use the 241 km location as a reference., and measure John's location from this reference.

What matters is John's final position relative to the 241 km marker (the reference).
His position is
|(167 - 241)| = 74 km

Answer: 74 km

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While John is traveling along a straight interstate highway, he notices that the mile marker reads 241 km. John travels until he reaches the 134 km marker and then retraces his path to the 167 km marker. What is John’s resultant displacement from the 241 km marker? Answer in units of km.

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While John is traveling along a straight interstate
highway, he notices that the mile marker
reads 241 km. John travels until he reaches
the 134 km marker and then retraces his path
to the 167 km marker.
What is John’s resultant displacement from
the 241 km marker?
Answer in units of km.