multiply [tex] \frac{1}{6} [/tex] by [tex]20 \frac{1}{2} [/tex]
first convert the mixed fraction to an irrational fraction
[tex]20 \frac{1}{2} = \frac{41}{2} [/tex]
now multiply
[tex] \frac{41}{2} * \frac{1}{6} = \frac{41}{12} [/tex]
convert back to mixed fraction because that's how they want the answer..
[tex] \frac{41}{12} = 3 \frac{5}{12} [/tex]