Jack drove 125 miles in 4 hours. Jill drove 80 miles in 3 hours. Who went faster and what was their rate of change to the nearest whole number?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours