Answer:
5 tablespoons.
Step-by-step explanation:
There are 3 Xs for 1 2/3 tablespoons of the mix so:
[tex]1\frac{2}{3} +1\frac{2}{3} +1\frac{2}{3} =\\\\3\frac{6}{3} =\\\\5[/tex]
5 tablespoons of the hot chocolate mix.