Answer
$\frac{5\sqrt y}{y}$
Work Step by Step
$\sqrt \frac{25}{y}=\frac{\sqrt 25}{\sqrt y}=\frac{\sqrt25 \times \sqrt y}{\sqrt y \times \sqrt y}=\frac{5\sqrt y}{y}$
We know that $\sqrt 25=5$, because $5^{2}=25$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.