There are two groups of students in the sixth grade. There are 30 students in group A, and 50 students in group B. If, on a particular day, 20% of the students in group A forget their homework, and 12% of the students in group B forget their homework, then what percentage of the sixth graders forgot their homework?
Choose the correct option.
A) 13%	B) 14%	C) 15%	D) 16%	E) 17%
Total students = 30 + 50= 
<gadget id="calculator">30 + 50</gadget>
<output>80</output>
80   20% of 30= 6   12&amp; of 50 = 6   Total students who forget homework = 6+6= 
<gadget id="calculator">6+6</gadget>
<output>12</output>
12   Percentage=1280∗100=15=12/80∗100=15	;Answer = 15% = 15%
<result>C</result>
There are two groups of students in the sixth grade. There are 30 students in group A, and 50 students in group B. If, on a particular day, 20% of the students in group A forget their homework, and 12% of the students in group B forget their homework, then what percentage of the sixth graders forgot their homework?