A manufacturing company produces two types of batteries low volt and medium volt. A low volt battery requires 1 hour processing time on machine and 2 hours of labour time. A medium volt battery requires 2 hours of processing times on machine and 1.5 hours of labour time. In a week , processing machine is available for 70 hours and labour time available is 60 hours. The profit due to each of the low volt battery is  rs 60  where as due to the medium volt battery its is rs 75. 
Formulated the problem as L.P.P. with a
 View to maximum the total  profit and  solve  it graphically

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