SOLUTION: A woman buys 270 oranges for 1800 and sell per 5 for 40 naira.what is her profit?

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Question 729368: A woman buys 270 oranges for 1800 and sell per 5 for 40 naira.what is her profit?
Found 2 solutions by lynnlo, ikleyn:
Answer by lynnlo(4176) About Me  (Show Source):
Answer by ikleyn(53339) About Me  (Show Source):
You can put this solution on YOUR website!
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A woman buys 270 oranges for 1800 and highlight%28cross%28sell%29%29 sells per 5 for 40 naira.
what is her profit?
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This problem is to solve it mentally in one line 

    profit = %28270%2F5%29%2A40-1800 = %28540%2F10%29%2A40-1800 = 54*40 - 1800 = 2160 - 1800 = 360 naira.    ANSWER

Solved.