Class 10, consisting of 40 students, took a science test. 30 students had an average score of 95. The other students had an average score of 85. What is the average score of the whole class?

92.5

Sum of score of 30 students = 30 x 95 = 2850

Sum of score of 10 students = 10 x 85 =850

Average of whole class = \(\frac{2850 + 850}{40}\) = 92.5