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Rita goes 20 km towards 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 then, how will you represent the distance travelled towards west? By which integer will you represent her final position from A?
Asked by Rakes Last Modified
Answer 
Rita moves from point A to B=20km
Now from B she moves to west =30 km
Now distance towards east is in + integer= +20 km
And distance in west is represented in negative then =-30 km
So the distance travelled by rita is shown as =(+20-30)km
So the distance of reeta from A = +20-30=-10km
That is 10 km towards west.
read lessSince the distance towards east is represented by a positive integer, the distance travelled towards west will be represented by a negative integer.
Distance travelled in east direction = 20 km
Distance travelled in west direction = −30 km
Distance travelled from A = 20 + (−30) = −10 km
Therefore, we will represent the distance travelled by Rita from point A by a negative integer, i.e., −10 km (i.e., Rita is now in west direction).
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