Alibrarian recorded the number of books that were checked out on each of the last 9 days, as shown below. 142, 136, 125, 148, 150, 152, 115, 131, 136 what is the mean of the data set? a 137.22 b 1, 235 c none of these d 9

Mean is the sum of values divided by the count of values.

The sum of values is 1,235.

There are 9 values.

1235/9 = 137.22

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

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step-by-step explanation:

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