ANSWER :
336.4 grams
EXPLANATION :
Let N = recommended daily amount of carbohydrates.
One serving of trail mix has 74 grams of carbohydrates, which is 22% of the recommended daily amount.
That will be :
[tex]\begin{gathered} 22\%(N)=74 \\ \rightarrow0.22N=74 \\ N=\frac{74}{0.22}=336.36\sim336.4 \end{gathered}[/tex]