SOLUTION: A merchant blends 350 kg of tea costing ksh. 84 per kg with 140 kg of tea costing ksh. 105 per kg. At what price must he sell the mixture to gain 25% profit?

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Question 1091210: A merchant blends 350 kg of tea costing ksh. 84 per kg with 140 kg of tea costing ksh. 105 per kg. At what price must he sell the mixture to gain 25% profit?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Cost: 350%2A84%2B140%2A105=44100, ksh

Amount of Mixture: 350%2B140=490%2Akilograms

p, price to sell for 25% profit;
Revenue minus cost should be 25% of cost of the mixture;
highlight_green%28490p-44100=0.25%2844100%29%29
-
490p=0.25%2844100%29%2B44100
p=%280.25%2844100%29%2B44100%29%2F490
highlight%28p=112.5%29