Question

Anuj is driving a bike at a constant speed of 20 km per hour draw distance time graph and also find the time taken by him to cover a distance of 140 kilometre?​

Answer 1

Graph is attached below.

She will take 7 hours to cover 140 km.

Step-by-step explanation: po

Given,

Speed of Anju = 20 km per hour,

i.e. distance covered by her in one hour = 20 km,

So, the distance covered by her in x hours, say y = speed × x hours

⇒ y = 20x

Which is the equation that shows her position after x hours,

if x = 0, y = 0

if x = 2, y = 40,

if x = 4, y = 80

Thus, join the points (0, 0), (2, 40) and (4, 80) in the coordinate plan for getting the graph of line y = 20x,

Now, if y = 140,

20x = 140

x = 140/20 = 7

=7

Hence, she will take 7 hours to cover a distance of 140 kilometer.

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