Oblicz masę, której 30% jest równe 12 !

41*67/2=1373.5

step-by-step explanation:

i just used a calculator

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