I will mark brainiest just plz help (look at picture)

6 spoons of sugar for every 21 cups of flour

step-by-step explanation:

if x = 1, then the answer is 3.5

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