Reeta goes 20 km east from a point A to the point B. From B, she moves 30 km towards west along the same road. If the distance towards east is represented by a positive integer the, how will you represent the distance travelled towards west ? By which integer will you represent her final position front A?
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click on the photo and get your answer.you have also the basic knowledge about the Cartesian plane where we plot negative or positive.the negative is on left and positive is on right
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