If a shopkeeper increases his selling price by 20% due to a 10% increase in his cost price, find his new profit percentage given that his ea

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If a shopkeeper increases his selling price by 20% due to a 10% increase in his cost price, find his new profit percentage given that his earlier profit percentage was 10%.

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Rose 3 days 2021-09-14T17:22:03+00:00 1 Answer 0 views 0

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    2021-09-14T17:23:46+00:00

    Let original CP = 100

    Profit = 10% = 10

    SP = 110

    New SP = 110 x 120/100 = 132

    132 represents 115% of new CP

    New CP = 132/115 x 100 ≈ 114.78

    Increase in CP = 14.78/100 x 100 = 14.78%

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