the cost price of 12 pens is equal to selling price of the 10 pens .find the profit percentage
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let, cost price of one pen is 1 rupee so total cost price of 12 pen = 12 rupees
and we have to sell 10 pens and earn 12 rupees as given in the problem so calculating selling price of one pen we get,
12÷10 = 1.2 rupees
we know,
profit= selling price - cost price
or, profit = 1.2 - 1
or, profit = 0.2
and profit percentage = 0.2 × 100
or , profit percentage = 20%
and we have to sell 10 pens and earn 12 rupees as given in the problem so calculating selling price of one pen we get,
12÷10 = 1.2 rupees
we know,
profit= selling price - cost price
or, profit = 1.2 - 1
or, profit = 0.2
and profit percentage = 0.2 × 100
or , profit percentage = 20%
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