How to get 31/6 into a mixed number

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

You purchased 8 pounds 10 ounces of candy from a candy shop. you want to split it equally among 3 classrooms at a local school.