Answer
.4
Work Step by Step
$2-0 =2 $ (area under curve from 0-2 miles)
$2 * .2 = .4$ (area under curve * height under curve)
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.