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A shopkeeper buys 40 kg of fruits for N120.00. He sells 20 kg at N5.00 per kg, 10 kg at ...

A shopkeeper buys 40 kg of fruits for N120.00. He sells 20 kg at N5.00 per kg, 10 kg at N3.00 per kg, 5 kg at N2.00 per kg and the remaining 5 kg at 50k per kg. Calculate the :
(a) amount he realises from the sales ;
(b) total profit / loss ;
(c) percentage profit/ loss on his outlay of N120.00.
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    Correct Answer: Option n
    Explanation:
    (a) 20 kg at N5.00 each = N100.00
    10 kg at N3.00 each = N30.00
    5 kg at N2.00 each = N10.00
    5 kg at 50k each = N2.50
    Total = N 142.50.
    (b) Selling price = N142.50
    Cost price = N120.00
    \(\therefore\) Profit = N(142.50 - 120.00) = N22.50.
    (c) \(% profit = \frac{22.5}{120} \times 100%\)
    = \(\frac{45}{240} \times 100% = 18.75%\)

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