The average 8- to 18-year-old spends __________ per day on average in front of a screen doing very little to no physical activity. The average 8- to 18-year-old spends nearly four (4) hours per day on average in front of a screen doing very little to no physical activity.
The average 8- to 18-year-old spends 3 hours or more per day on average in front of a screen doing very little to no physical activity.