51. There are 2 sections of Algebra 1 taught at the local high school. The average score on the final exam for the 20 students in the first section was 74. The average score on the final exam for the 25 students in the second section was 92. What was the average of the final exam scores of students in Algebra 1 ?

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

First, calculate the total score of Class 1 and Class 2 based on the average score and number of people, then add up the total class scores to get the total score of the course, and divide the total score by the total number of people in the course.