The cost of petrol in a city is Rs. $50$ per litre.Set up a linear equation with $x$ representing the number of litres and $y$ representing the total cost(in rupees)

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Solution

Cost of petrol pipe per litre $=$ Rs. $50$
Cost of $x$ litres of petrol pipe $=$ Rs. $50 x$
Let the total cost be Rs. $y$
$∴ y = 50 x$

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The cost of petrol in a city is Rs.50 per litre.Set up a linear equation with x representing the number of litres and y representing the total cost(in rupees)

Cost of petrol pipe per litre=Rs.50Cost of x litres of petrol pipe =Rs.50xLet the total cost be Rs.y∴y=50x

The cost of petrol in a city is Rs. $50$ per litre.Set up a linear equation with $x$ representing the number of litres and $y$ representing the total cost(in rupees)

Cost of petrol pipe per litre $=$ Rs. $50$
Cost of $x$ litres of petrol pipe $=$ Rs. $50 x$
Let the total cost be Rs. $y$
$∴ y = 50 x$