In a shop, the cost of 4 shirts, 4 pairs of trousers and 2 hats is $560. the cost of 9 shirts, 9 pairs of trousers and 6 hats is $1290. what is the total cost of 1 shirt, 1 pair of trousers and 1 hat?

the correct answer is 1: 2

step-by-step explanation:

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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