How much money did you save if the original price was $21 and this discount was 28% I saved $ ?

Step-by-step explanation:

it would be 15.12 and you would save5.88

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