If 15 students in a class average 73% on an exam and 10 students average 88% on the same exam, what is the average in percent for all 25 students?	Choose the most appropriate option:
A) 77%	B) 78%	C) 79%	D) 80%	E) 81%
(15*73 + 10*88) / 25= 
<gadget id="calculator">(15*73 + 10*88) / 25</gadget>
<output>79</output>
79%   The answer is 79%.
<result>C</result>
If 15 students in a class average 73% on an exam and 10 students average 88% on the same exam, what is the average in percent for all 25 students?