/question in attachment.

Step-by-step explanation:

Since the sequence begins with 200 and each next term in the sequence is a quarter of the previous one, an equation for this would be:

You can see that this works by testing out some scenarios. For instance, the third term in the sequence:

Hope this helps!

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540