The question here is looking for the average of 6500 and 7000. To find the average of any set of numbers, you add them all together and divide by the number of numbers. In this case, it would be:
[tex]\frac{(6500 + 7000)}{2}[/tex]
= [tex]\frac{13500}{2}[/tex]
= 6750
Hope this helps! :)
