It is known that the price ($P) of a certain kind of precious marble stone varies directly as the cube of its length (l cm). Mr Chan uses $400 to buy a piece of the marble stone and cuts it into two pieces pf equal length. He then sells these two pieces of marble stone. Find Mr. Chan's
1) Profit or Loss
2) Profit% or Loss%
Variation
2011-02-18 1:13 am
回答 (1)
2011-02-18 5:34 am
收錄日期: 2021-04-24 10:08:57
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