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A Coffee Seller Has Two Types Of Coffee Brand A Costing 5 Bits Per Pound And Brand B Costing 3 Bits Per Pound. He Mixes Two Brands To Get A 40 Pound Mixture. He Sold This At 6 Bits Per Pound. The Seller Gets A Profit Of 33 1/2 Percent. How Much He Has Used Brand A In The Mixture ? |
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Answer» LET x and y quantities of A and B RESPECTIVELY are mixed. => x+y=40 --------- (1) His total selling price = 40*6=240 His cost price 180 approx(as he makes 33.5 % profit) 5x+3y=180 ------------- (2) On solving (1) and (2) x=30 pounds. Let x and y quantities of A and B respectively are mixed. => x+y=40 --------- (1) His total selling price = 40*6=240 His cost price 180 approx(as he makes 33.5 % profit) 5x+3y=180 ------------- (2) On solving (1) and (2) x=30 pounds. |
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