Question
A shopkeeper sells an item at a profit of 15% and uses a
weight that is 20% less. Find his actual profit percentage.Solution
Let the Cp of item =100 Sp of item =115 But sold actual weight =100×80/100=80unit. Actual Cp of item =80unit Total profit =115-80=35 Rs. 
=350/8 =43.75%
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