((4^7)/(5^2))^3 I'm pretty sure this is how you would right the problem to begin with
Well, since it is asking for an average, we have to add
78+89+87+96=
350... then we divide by 4
which would be 87.5 which IS greater than 80 :)
and less than 90 :)
i belive its 6500 is 20% of 32500
