HELP ME IM TO YOUNG TO DIE

Im either gonna say, the last one or the first. Please dont hate me.

find out the value of b

step-by-step explanation:

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