Average Of 21 And 78
What is the average of 2 numbers : 21 And 78
How to do ?
Let's add these 2 numbers :
21 + 78 = 99
And then to find average, we have to find center point of the summation of these 2 numbers : 99, so let's divide 99 to 2 .
99 / 2 = 49.5
Answer = 49.5
Average of 21 and 78 is 49.5