Total Number of Questions in the Vocabulary Quiz = 20
Frazier scored 70%.
To determine the number of questions which he got right, we find 70% of the total number of questions.
Therefore:
The number of questions which Frazier got right
[tex]\begin{gathered} \text{ =70\% of 20} \\ =0.7\times20 \\ =14 \\ \end{gathered}[/tex]Therefore, Frazier got 14 out of 20 questions right.