#### Answer

mm

#### Work Step by Step

mm. A quarter is about 25 mm across. The length units are km, m, cm, and mm. If we choose 25 m or 25 km or 25 cm it will be too long for the length of a quarter so 25 mm is the correct unit.

Published by
Pearson

ISBN 10:
0321825535

ISBN 13:
978-0-32182-553-7

mm

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.