If a young man drives his scooter at a speed of \( 25 \mathrm{~km} / \mathrm{hr} \), he has to s...

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If a young man drives his scooter at a speed of \( 25 \mathrm{~km} / \mathrm{hr} \), he has to spend Rs 2 per \( \mathrm{km} \) on petrol. If he drives the scooter at a speed of \( 40 \mathrm{~km} / \mathrm{hour} \), it produces air pollution and increases his expenditure on petrol to Rs 5 per km. He has a maximum of Rs100 to spend on petrol and travel a maximum distance in one hour time with less pollution. Express this problem as an \( L P P \) and solve it graphically. What value do you find here?
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