Question 1017778

The high temperatures on the first six days of January were -4 degrees, 6 degrees , 1 degree, 11 degrees, 7 degrees, and -2 degrees. What must be the high temperature on January 7th in order for the first week of January to have an average high temperature greater than five? 

Thank you!
<pre>High temperature: {{{highlight_green(matrix(1,2,">",16^o))}}}