Question 759192
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