Question

A class of 18 students took a math test. Seven students had an average of 90. The other students had an average of 82.

What is the average for the whole class? Round to the nearest whole percent.
A) 80
B) 83
C) 85
D) 87

Answer 1

Answer: C- 85%

Explanation:

7x11=630

Remaining Students: 18-7=11

11x82=902

Aveage:

630+902=1532

1532/18=85.1111

Answer 2

I think it'd be C. I could be wrong..