Who ever answered this right will get 15 points

D is the answer.

Substitute 25 for n and 3.75 for t.

If both sides of equation are equal then you got got your answer.

the first one, all those points on the line just make a strait line.

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