Hi

has oil worth 36 a quart and oil worth 52 a quart

Let x represent number of quarts woth 52  a quart

Question states**wishes to produce 300 gallons( 4qts/gal) of oil worth 40 a quart*

   Money = Money

 52x + 36(1200 - x) = 40(1200)  

         16x = 4800

           x = 300 qts at 52   and 900 qts at  36



and 

   

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