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85 liters of a mixture of glycerine and water contain 60%glycerine. some more glycerine is added to this mixture such that the ratio of glycerine to water becomes 2:1. find the quantity of the final mixture?

5) (60-40)%a=30, (20%)a=30☑️ 7) a-(3/5)a=274, (2/5)a=274 (1/5)a=(20%)a=137☑️ 9) 88------216128 100-----(245600)☑️

5625/25=225=2+2+5=9 626/25=25=2+5=7 25/25=1 Answer:1