SOLUTION: What is the average of 10,20,30,-60, 80 ?

Question 759192: What is the average of 10,20,30,-60, 80 ?
Found 3 solutions by sachi, Mathematicae, lenny460:
Answer by sachi(548)   (Show Source): You can put this solution on YOUR website!
the average of 10,20,30,-60, 80 =(10+20+30-60+80)/5=16
Answer by Mathematicae(1)   (Show Source): You can put this solution on YOUR website!
10 + 20 + 30 + (-60) + 80 =
80
There were five numbers.
so 80/5 = 16
Answer by lenny460(1073)   (Show Source): You can put this solution on YOUR website!
What is the average of 10,20,30,-60, 80 ?
10 + 20 + 30 - 60 + 80
10 + 20 + 30 = 60
Therefore:
60 - 60 + 80
60 - 60 = 0
There are five (5) numbers:
80 / 5 = 16

Answer:
16

Lennox Obuong
Algebra Tutor
Nairobi, Kenya
Email: lennoxobuong@yahoo.com
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