Please help if you can. If possible please type how you got the answer so I can remember them next time I get a question like them.

Will give brainliest summations with algebraic expressions image shown

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is