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March 26, 2015

Homework Help: Math algebra (urgent!) help me! Thanks a lot!! (;

Posted by Click6 on Saturday, June 18, 2011 at 1:00pm.

Mr lol bought x oranges for $30 and sold them at a profit of 5cents per orange. Write down the (i)cost price of an orange.
(ii)the selling price of an orange

When he had sold all except 20 of the oranges, he found he had received $28.
(iii) form an equation in x and show that it simplifies to xsquare + 20x -12000= 0

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