The average score for a class of 30 students was 75. The 15 male students in the class averaged 70. The 15 female students in the class averaged:
A)85.
B)80
C)75
D)70

Question

Quizplus · Accepted Answer

The total score for all students is 30 * 75 = 2250. The total score for male students is 15 * 70 = 1050. Therefore, the total score for female students is 2250 - 1050 = 1200. The average score for female students is 1200 / 15 = 80.

The Average Score for a Class of 30 Students Was