At a summer camp with 1,500 participants, 1/2 of the campers are aged 10 to 12. Next year, the number of campers aged 10 to 12 will increase by 1/3. After this change, what percentage of the total 1,500 campers will the 10 to 12-year-olds represent?	Answers.
A) 62 B) 64 C) 65 D) 66 2/3% E) 67
Total - 1,500 participants   campers are aged 10 to 12 = (1/2)*1500= 
<gadget id="calculator">(1/2)*1500</gadget>
<output>750</output>
750   Next year, campers are aged 10 to 12= (4/3)*750= 
<gadget id="calculator">(4/3)*750</gadget>
<output>1_000</output>
1000   Percentage= (1000/1500)*100 = 66 2/3%   Answer: Option 66 2/3%
<result>D</result>
At a summer camp with 1,500 participants, 1/2 of the campers are aged 10 to 12. Next year, the number of campers aged 10 to 12 will increase by 1/3. After this change, what percentage of the total 1,500 campers will the 10 to 12-year-olds represent?