the list price of an article is rs 800 and is available at a discount of 15%.find:selling price and the cost price of the article,if a profit of 40/3% is made on selling it.
i know the selling price and it's rs680
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MP or LP = Rs 800
Discount = 15%
Discount amount = L P* 15/100 = Rs 800 * 15/100 = Rs 120
Selling price = LP - discount amount = Rs 800 - Rs 120 = Rs 680
Let Cost Price be CP
Profit made = 40/3 %
Profit amount = CP * 40/(3*100 ) = 0.4 CP/3
Selling Price = SP = CP + profit = CP + 0.4 CP /3
= CP ( 1 + 0.4/3) = CP * (3+ 0.4) / 3
Hence 680 = CP * 3.4/3
CP = 3 * 680 / 3.4 = Rs 600
Discount = 15%
Discount amount = L P* 15/100 = Rs 800 * 15/100 = Rs 120
Selling price = LP - discount amount = Rs 800 - Rs 120 = Rs 680
Let Cost Price be CP
Profit made = 40/3 %
Profit amount = CP * 40/(3*100 ) = 0.4 CP/3
Selling Price = SP = CP + profit = CP + 0.4 CP /3
= CP ( 1 + 0.4/3) = CP * (3+ 0.4) / 3
Hence 680 = CP * 3.4/3
CP = 3 * 680 / 3.4 = Rs 600
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