On a summer camp, 25% of the campers paid $100 each, 35% paid $80 each and the rest paid $65 each. What percentage of the total amount paid came from the campers who paid $80?
Choose the correct choice from the following options
A) 18%  B) 21%  C) 26%  D) 35.44%  E) 37.5%
let the total no of campers be 100   total amount = (25*100)+(35*80)+(40*65) = 2500+2800+2600= 
<gadget id="calculator">2500+2800+2600</gadget>
<output>7_900</output>
$7900   required percentage= (28/79)*100 = 400/12 = 100/3 =35.44%   35.44%
<result>D</result>
On a summer camp, 25% of the campers paid $100 each, 35% paid $80 each and the rest paid $65 each. What percentage of the total amount paid came from the campers who paid $80?