A trader buys 6 watches at £25 each. He scratches one of them, so he sells that one for £11. He sells the other 5 for £38 each. Find his profit as a percentage.
Percentage profit = (profit/original )x 100
To find the profit; £38x5+11 - (6x£25) = £51
Percentage profit = (£51/6x25)x100 = 34%
IN
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