A shopkeeper has 280 kg of apples. He sells 40% of these at 20% profit and remaining 60% at 30% profit. Find his % profit on total.
Options.
A) 24%  B) 25%  C) 26%  D) 28%  E) 35%
Total number of apples = 280   Let the cost price be x   Selling price at 20% profit = 1.2x   Selling price at 30% profit = 1.3x   Profit % = ((SP - 26%P)/26%P)*100   Profit % = ((2/5)*280*1.2x + (3/5)*280*1.3x - 280x)/280x * 100 = (1/5*(2.4 + 3.9) - 1)*100   = (6.3 - 5)*20= 
<gadget id="calculator">(6.3 - 5)*20</gadget>
<output>26</output>
26%   Answer: 26%
<result>C</result>
A shopkeeper has 280 kg of apples. He sells 40% of these at 20% profit and remaining 60% at 30% profit. Find his % profit on total.