The Pew Internet and American Life Project finds that 95% of teenagers (12–17) use the Internet and that 81% of online teens use some kind of social media. Of online teens who use some kind of social media, 91% have posted a photo of themselves. STATE: What percent of all teens are online, use social media, and have posted a photo of themselves?

Answer:The percent of all teens are online, use social media, and have posted a photo of themselves are:                      70% (approx)Step-by-step explanation:It is given that:95% of teenagers  use the Internet this means that the teens are online.This means that 95%=0.95.and 81% of online teens use some kind of social media. i.e. 81%=0.81and  Of online teens who use some kind of social media, 91% have posted a photo of themselves. i.e. 91%=0.91Now we are asked to find the percent of teens who are online, use social media, and have posted a photo of themselvesi.e. The percent is: (0.95×0.81×0.91)×100                              =  70.0245%which is approximately equal to 70%