Answer:
[tex]17\dfrac{4}{7} \:hours[/tex]
Step-by-step explanation:
A concert lasts [tex]5\dfrac{6}{7}[/tex] hours.
The band performs three concerts on the weekend.
Total length of time performed by the band is given as:
Hour Per Concert X Number of Concerts
[tex]5\dfrac{6}{7} X 3\\=\dfrac{41}{7} X 3\\=\dfrac{123}{7}\\=17\dfrac{4}{7} hours[/tex]
The band performs a total of [tex]17\dfrac{4}{7} hours[/tex].
