if olu spent 49.00 on textbook and victor spent 84.00 on maltina drink, find the ratio of the amount spent by olu and victor​

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.

Ineed with math stuff it involves graphs

Can someone explain to me how to do