Answer
EC=12.5
Work Step by Step
$\frac{AB}{AC}$=$\frac{DB}{EC}$
$\frac{16}{20}$=$\frac{10}{EC}$
16EC=200
EC=12.5
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.