Autorickshaw fare in a city is as follows For first kilometre, fare is ₹ 10, for subsequent

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4. Linear Equations in Two Variables

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The autorickshaw fare in a city is as follows

For the first kilometre, the fare is ₹ $10,$ for the subsequent distance it is ₹ $3$ per $km$. Taking the distance covered as $x$ $km$ and total fare as ₹ $y,$ write a linear equation for this information and draw its graph. Find the total fare for a journey of $4$ kilometres from the graph.

Option A

Option B

Option C

Option D

Solution

$y=3 x+7,$ ₹ $19$

Standard 9

Mathematics

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