If you buy a computer directly from the manufacturer for $3,115 and agree to repay it in 48 equal installments at 1.72% interest per month on the unpaid balance, how
much are your monthly payments? How much total interest will be paid?
Your monthly payment is $
(Round to two decimal places.)

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.