Find the average marks of all the students in 2 separate classes, if the average marks of students in the first class of 58 students is 67 and that of another class of 52 students is 82.
Choices:  A) 74.1  B) 56.3  C) 67.8  D) 79.7  E) 19.4
Sum of the marks for the class of 58 students = 58 * 67= 
<gadget id="calculator">58 * 67</gadget>
<output>3_886</output>
3886   Sum of the marks for the class of 52 students= 52 * 82= 
<gadget id="calculator">52 * 82</gadget>
<output>4_264</output>
4264   Sum of the marks for the class of 110 students=   3886 + 4262 = 8150   74.1verage marks of all the students = 4200/80   = 74.1   74.1nswer:74.1
<result>A</result>
Find the average marks of all the students in 2 separate classes, if the average marks of students in the first class of 58 students is 67 and that of another class of 52 students is 82.