dan's stamp book has 2 pages with 4 rows of stamps on each page. each row has 2 stamps. how many stamps are on these pages of dan's stamp book?

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