Answer:
42.3
Step-by-step explanation:
3.6(3)+4.5(7)=10.8+31.5
=42.3
Answer:
1497
Step-by-step explanation:
When finding the average you add all the given numbers
623+494+380=499
Then divide that answer by how many total numbers are there
499*3=1497
Answer:
14.696938456699
Step-by-step explanation: