What is the probability of rolling a number less or equal to a 6 when rolling a six-sided number cube

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

i saw this question before, dont know the asnwer srry

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