How to write 63 four different ways

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

step by step explanation: when u removing the parentheses and combined them that would be : x+3y-x-y=2y