Addison High School’s senior class has 300 boys and 240 girls. If 30% of the boys did not attend the college then 70% of the total class attended college, what percentage of the girls class did not attend college?  Answers.
A) 70  B) 45  C) 50  D) 46  E) 30
% of boy attending the college = 100-30= 
<gadget id="calculator">100-30</gadget>
<output>70</output>
70%   Number of boys attending the college :  0.70*300= 
<gadget id="calculator"> 0.70*300</gadget>
<output>210</output>
210   Total people= 300+240= 
<gadget id="calculator">300+240</gadget>
<output>540</output>
540   Total number of students attending the college: 0.70*540= 
<gadget id="calculator">0.70*540</gadget>
<output>378</output>
378   number of girls attending the college= 378-210= 
<gadget id="calculator">378-210</gadget>
<output>168</output>
168   number of girls not attending the college= 240-168= 
<gadget id="calculator">240-168</gadget>
<output>72</output>
72   % of girls not attending= 72/240 = 30%. 30 is the correct answer
<result>E</result>
Addison High School’s senior class has 300 boys and 240 girls. If 30% of the boys did not attend the college then 70% of the total class attended college, what percentage of the girls class did not attend college?