Weight of a painter's staging with person in equilibrium

[ingrida1]

i don't understand this problem i need your help please the sketch shows a painter's staging in mechanical equilibrium. the person in the middle weighs 250 N and tension in each rope are 200N what is the weight of the staging

 

[Doc Al]

I moved this post from the thread where you had posted it (by mistake, I presume) into its own thread. Please describe the problem exactly as given and show what you've done so far and where you are stuck. A figure would be helpful.