Answer :
SOLUTION
The wood board will be cut into 4 pieces
Lenght of each is
[tex]8\frac{5}{7}\text{ inches }[/tex]Then we simplify the fraction above
[tex]8\frac{5}{7}=\frac{61}{7}inches\text{ }[/tex][tex]\begin{gathered} \frac{61}{7}=8.9\text{ } \\ \text{Which is estimated as } \\ 9\text{inches} \end{gathered}[/tex]Since there are 4 pieces, we then multiply the lenght of each
[tex]4\times9=36\text{ inches }[/tex]Tom needs to buy a wood board of 36 inches
Option C is Right