Question 164042
Set the two given equations equal to each other and solve for x:
0.25x^2-100x = 75x
0.25x^2-100x-75x = 0
0.25x^2-175x = 0
0.25x(x-700) = 0
.
x = {0, 700}
.
Conclusion,
They have the same revenue if they both sell 0 or 700.