Feeding and selling

Of the 825 tons, the first part goes for feeding, the second for sale. How many tonnes are intended for feeding if this part makes up 65% of the second part?

Final Answer:

a =  325 t

Step-by-step explanation:


a+b=825
a = 0.65 b

a+b=825
a = 0.65·b

a+b = 825
a-0.65b = 0

Row 2 - Row 1 → Row 2
a+b = 825
-1.65b = -825


b = -825/-1.65 = 500
a = 825-b = 825-500 = 325

a = 325
b = 500

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