A dishonest dealer professes to sell goods at the cost price but uses a weight of 600 grams per kg, what is his percent?  Pick one
A) 11  B) 25  C) 66  D) 88  E) 11
600 --- 400   100 --- ? =&gt; 66%   Answer:66
<result>C</result>
A dishonest dealer professes to sell goods at the cost price but uses a weight of 600 grams per kg, what is his percent?