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A retailer has determined that the cost C of

ordering and storing x units of a product is

c=6x+900000/x

AWrite the expression for cost as a single fraction.
BDetermine the cost for ordering and storing - x=240

units of this product. ...?

Verified Answer :

MissPhiladelphia
AThe expression given in the question is

c = 6x + (900000/x)
c = (6x^ +900000)/x
I hope that this is the expression that you were looking for.

b. When x = 240, then

c = [6 (240)^2 + 900000]/ 240
   = (6 57600) + 900000/240
   = (345600 + 900000)/240
   = 5190

From the above deduction, it can be concluded that the cost of ordering and storing is 5190. I hope the procedure is clear enough for you to understand.

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