Answer
A, 40000
Work Step by Step
$$l=2x+200$$
$$w=x$$
$$A=lw$$
$$A=x(2x+200)$$
$$A=40000$$
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.