According to a 2010 Kaiser Family Foundation report, during 2009 spent almost every waking hour outside of school using electronic devices such as iPhones, computers, or televisions. Those aged 8 to 18 spent an average seven and a half hours a day in 2009 versus six and a half hours in 2004. Calculate the annual average rate of change of electronics use for kids from 2004 to 2009.
Enter exact answer.
The annual average rate of change of electronic use for kids from 2004 to 2009 is _________ hours per day per year.
2 answers
(7.5-6.5)/(2009-2004)
no it isnt, i plugged that in & its wrong:(
1 answer