Answer :
Step-by-step explanation:
Add 90 + 50 + 90 + 90
Total: 320
Then divide the 320 by the amount of categories which is 4.
320 /4 is 80.
Answer is 80
Step-by-step explanation:
Add 90 + 50 + 90 + 90
Total: 320
Then divide the 320 by the amount of categories which is 4.
320 /4 is 80.
Answer is 80