Answer:
At the karate school, Class A has 8 students with an average age of 6 years. Class B has 12 students with an average age of 9 years. The classes combine for a group workout.
What is the average age of the combined classes?
Enter your answer as a decimal in the box.
7.8 years
Step-by-step explanation: I took the test and got it correct but I will do it below
8*6=48
12*9=108
48+108=156
156/20=7.8 Hope this helps!
