The total number of pupils in Class A is 40 out of which 18 are girls, In Class B there are 20 are boys out of total 35 and in Class C there are 16 girls out of total 32. What is the percent of total girls in all the classes.
Choose the correct choice from the following choices.
A) 33.9%  B) 43.6%  C) 32.7%  D) 62.7%  E) 22.8%
32.7%lass A girls = 18   32.7%lass B girls = 35-20= 
<gadget id="calculator">35-20</gadget>
<output>15</output>
15   32.7%lass 32.7% girls= 16   Total percentage = (18+15+16)/(40+35+32) = 35/107 = 0.327   32.7%
<result>C</result>
The total number of pupils in Class A is 40 out of which 18 are girls, In Class B there are 20 are boys out of total 35 and in Class C there are 16 girls out of total 32. What is the percent of total girls in all the classes.