In what ratio coffee at 265 Rs/kg should be mixed with the coffee at 305 Rs/kg so that after mixture its rate become 280 Rs/kg if the quantity of 1st type is 45 kg what will be the quantity of the 2nd coffee?
Ratio = 25:15 = 5:3 1st type coffee is 45 kg. So, 5 means 45 kg. Therefore, 2nd type coffee = 45 x (3/5) = 27 kg
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