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A paint dealer mixes three types of paint A, B and C, in the ratios A: B = 3 : 4 and B : C = 1 : 2. The mixture is to contain 168 litres of C.
(a) Find the ratio A: B : C.
(b) Find the required number of litres of B.
(c) The cost per litre of type A is Ksh 160, type B is Ksh 205 and type C is Ksh 100.
(i) Calculate the cost per litre of the mixture.
(ii) Find the percentage profit if the selling