How many kilos of tea worth Rs.72 per kg should be mixed with 10 kg of tea worth Rs.90 per kg to produce a micro which will cost Rs.78 per kg
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90*10+72x=78(10 +x)
900+72x =780+78 x
72x -78 x=-120
-6x=-120
x= -120 / -6
x= 20
20 pounds of Tea type II costing Rs. 72 has to be added
900+72x =780+78 x
72x -78 x=-120
-6x=-120
x= -120 / -6
x= 20
20 pounds of Tea type II costing Rs. 72 has to be added
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