What is 9 – 3 ÷ 1/3 + 1 = ?
This problem went viral in Japan after a study found 60 percent of 20 somethings could get the correct answer, down from a rate of 90 percent in the 1980s.
This video explains a common mistake and how to get the correct answer by using the order of operations.
Sources: rocketnews24.com, j-cast.com, yukawanet.com
Via: simplecapacity.com
