Answer:
28%
Explanation:
Let the percentage = y
Therefore:
[tex]y\%\text{ of 75=21}[/tex]We solve for y:
[tex]\begin{gathered} \frac{y}{100}\times75=21 \\ 75y=2100 \\ y=\frac{2100}{75} \\ y=28 \end{gathered}[/tex]Therefore, we see that 28% of 75 is 21.
