A shopkeeper sells a pen for Rs 13.20 to gain a profit of 10% In order to gain a profit of 15% should have sold it for
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Answer:
13.80
Step-by-step explanation:
let the cp be x
profit = 13.20 -x
profit percent = 13.20 -x/x * 100 = 10
x=12 = cp
let the sp be y
profit = y-12
profit percentage = y-12/12*100=15
y=13.80=answer
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