Q.18 If a young man rides his motor cycle at 25 kph, he has to spend Rs 2 per km on petrol and if he rides it at 40 kph, the petrol cost rises to Rs 5 per km. He has to Rs 100 to spend on petrol and wishes to find the maximum distance, he can travel within one hour. Formulate the data in the form of inequation and draw a graph representing the solution of these inequation.