A trader sold 250 articles for ¢525,000 at a profit of 25%. I) Calculate the cost price of each article. II) If the trader had wanted 45% profit on the cost price, how much should he have sold each of the articles.

the two may have that, even a breakdown is probably offered

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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ok then what happened.