Question

Rita goes 20 km towards east from a point A to the point
she moves 30 km towards west along the same road. If the distance
towards east is represented by a positive integer then, how will you
represent the distance travelled towards west? By which integer will
you represent her final position from A?
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Answer 1

Answer:

A WITH REFERENCE TO WEST WILL BE -10

Step-by-step explanation:

THE DISTANCE TOWARDS EAST = 20KM

THE DISTANCE TOWARD WEST = 30 KM

A= 20 -30

A= -10

Answer 2

Step-by-step explanation:

Distance travelled  towards east is represented with positive integer so it should be 20Km

As west is opposite to east so distance in the direction of west will be represented by negative integer so distance along west is −30Km 

Final position will be net displacement =20+(−30)=−10Km.