ASAP
3(– 2а - 4) + За

3a -12

Step-by-step explanation:

3(– 2а - 4) + За  →  -6a - 12 + 3a  →  -3a -12

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