Answer
See below
Work Step by Step
From part b, we found: $T=13.397P^{0.303}$
Substitute $P=620$: $y=13.397(620)^{0.303}\approx94$
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.