A dishonest dealer professes to sell goods at the cost price but uses a weight of 600 grams per kg, what is his percent?  Choose the correct option: A) 15% B) 25% C) 65% D) 45% E) 66.7%
66.7%xplanation:   600 --- 400   100 --- ? =&gt; 66.7%   Answer: 66.7%
<result>E</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?