a dealer buys 4 varieties of wheat costing rs. 18,rs.20,rs.22 and rs.24 per kg in the ratio 2:1:3:4 and mixes all the four varieties and sells at 50% profit. What is the selling price per kg of wheat? Choose the most appropriate option.
A) 30.5
B) 31.8
C) 32.0
D) 32.7
E) 34.0
CP = 18*2+20*1+22*3+24*4= 
<gadget id="calculator">18*2+20*1+22*3+24*4</gadget>
<output>218</output>
218   SP= 1.5*218= 
<gadget id="calculator">1.5*218</gadget>
<output>327</output>
327   Total no.of kgs=2+1+3+4= 
<gadget id="calculator">2+1+3+4</gadget>
<output>10</output>
10   SP per kg=327/10= 
<gadget id="calculator">327/10</gadget>
<output>327/10 = around 32.7</output>
32.70   ANSWER:32.7
<result>D</result>
a dealer buys 4 varieties of wheat costing rs. 18,rs.20,rs.22 and rs.24 per kg in the ratio 2:1:3:4 and mixes all the four varieties and sells at 50% profit. What is the selling price per kg of wheat?