Need the answer/step by step explanation

8 weeks

Step-by-step explanation:

m=12+0.5w

Replace the m with the 16 and solve

16=12+0.5w

4=0.5w

8=w

42.4

step-by-step explanation:

convert to decimal

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