Answer
P=4x+400
Work Step by Step
P=2(w+l)
P=2(x+x+200)
P=2x+2x+400
P=4x+400
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.