There are 120 student in class in which 20 of them are girls and rest boys.if the average marks in math of boys is 65% and that of girls is 80%. find the average marks of the class

Question

There are 120 student in class in which 20 of them are girls and rest boys.if the average marks in math of boys is 65% and that of girls is 80%. find the  average marks of the class

Reiny · Accepted Answer

I think it would be: avg = (20(80) + 100(65))/120 = 67.5

bobpursley · Answer

avg marks= (.2* .80 + .8* .65) = 68 percent

Ritika · Answer

Please solve questions and give a full answer