Question

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?​

Answer 1

Answer will be 10 km
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Answer 2

Answer:

Hence, we will represent the distance travelled by Rita from point A by a negative integer, i.e. – 10 km

Step-by-step explanation:

From the question, it is given that

A positive integer represents the distance towards the east.

Then, distance travelled towards the west will be represented by a negative integer.

Rita travels a distance in east direction = 20 km

Rita travels a distance in west direction = – 30 km

∴Distance travelled from A = 20 + (- 30)

= 20 – 30

= -10 km

Hence, we will represent the distance travelled by Rita from point A by a negative integer, i.e. – 10 km