Uh... this question is quite hard... i can’t solve it...!
OKAY fine whatever
100 - 75 = $25
C because 2,400 divided by 450 is a little more than 5 and 5 times 12 is 60 and a little more than 60 is 64.
Take all three trial result averages and add them up
Then take that number and divide by three because there was three numbers added.
That number is the average of the three trials