Question 977646
R(p) = 70p - 5.2p^2


R ' (p) = 70 - 10.4p ... apply the derivative, set it equal to 0 and solve for p


0 = 70 - 10.4p


10.4p = 70


p = 70/10.4


p = 6.73076923076923


p = 6.73


The price <font color="red">$6.73</font> generates the max revenue.