Answer:
24 desk
Step-by-step explanation:
Revenue : R(x) = 450 x #desk
Cost: C(x) = 6000 + 200 x #desk
Break even point is the point wich both equations produce same result :
R(x) = C(x), so we can match the two equations and clear # desk:
450x#desk = 6000 + 200X#desk
#desk = 6000 /250 = 24 desk