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Aden bought 3 brand of tea A,B and C. The cost price of the three brands were sh.25,sh 30 and sh 45 per kilogram respectively. He mixed the three brands in the ratio 5:2:1 respectively .After selling the mixture,he made a profit of 20%. a) How much profit did he make per kilogram of the mixture
b) After one year,the cost price of each brand was increased by 12%. i) For how much did he sell one kilogram of the mixture to maintain 20% profit? (give your answers to the nearest 5 cts) ii) What would have been his percentage profit if he sold one kilogram of the mixture at sh 40.25?