You have to add up all the numbers then divide by the amount of numbers there are
24+38+19=81
81/3=27
The average is 27
5000(1+.07)^2
5000(1.07)^2
5000(1.14)
5,700
Your final answer should be 5,700$. If you wanna double check you would use the equation fv=bv(1+r/m)^mt
X=4. 4/2=2 and 8/4=2 making the equations equal
