In order to find the average you have to add up all the data values and then find the sum of the data values.

So on average he ran about 82.5 miles.
A=pi times radius times radius
13 divided by 2 equals to 6.5
A=3.14 times 6.5 times 6.5
A=132.665
hope it helps
Can you choose mine as the brainliest answer
.361 .36 .35 1/5
1/5 = .20
So 5 pounds=12.5
divide 12.5 by 5 to get dollars per pound
$2.5 per pouind