78 members are not traveling
Explanation
Step1
we need to use fractions to find the number of memebers are going away, so the whole number (117) is represented by 1
then,Let
whole number=full staff= 117
One third of them are going away for the Thanksgiving holiday, to find the number of members just do:(fraction by number)
[tex]\begin{gathered} \text{Members are going away=}\frac{1}{3}\cdot117 \\ \text{Members are going away=}39 \end{gathered}[/tex]Step 2
now, let's use subtraction to find the number of members that are not traveling
[tex]\begin{gathered} \text{Members are not traveling=full staff -member are going away} \\ \text{Members are not traveling=117-39} \\ \text{Members are not traveling=}78 \end{gathered}[/tex]I hope this helps you