Ayeee random question but when i graduate should i become a nail tech, real estate agent or narcotics officer?

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

the answer would be c:   ax + b = ax + c

step-by-step explanation: