SOLUTION: Class of 20 students merged with class of 20 students. The average mark at a test in the first class is 60, and in the second class, 50. What is the average mark in the merged clas
Algebra ->
Average
-> SOLUTION: Class of 20 students merged with class of 20 students. The average mark at a test in the first class is 60, and in the second class, 50. What is the average mark in the merged clas
Log On
Question 868413: Class of 20 students merged with class of 20 students. The average mark at a test in the first class is 60, and in the second class, 50. What is the average mark in the merged class? Answer by ewatrrr(24785) (Show Source):
