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想請教高人幫手~謝謝~ (列出step &answer)
1. if the root of the equation y/2-3=3 is k, find the value of k.
k =?
2.in the factory, the cost $c of producing a skirt can be calculated by the formula c =38+50/n,
where n is the number of skirt produced.
a) find the cost of a skirt if 100 skirt are produced.
b) find the total cost of producing the skirts if 200 skirt are produced.
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