Question: The average (arithmetic mean) test score in a class of 20 students is m , and the average for a class of 30 tudents is
The average (arithmetic mean) test score in a class of 20 students is m , and the average for a class of 30 tudents is n. When all the scores of both classes are combined, the average score is 88.
What is the value of 2m+3n?
Step by Step Solution
3.54 Rating (151 Votes )
There are 3 Steps involved in it
The avg of 20students score is m So Total ... View full answer
Get step-by-step solutions from verified subject matter experts
