Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Review: 72

Answer

He has 84 DVDs.

Work Step by Step

If $v$ is the number of movies on videotape, $2v$ is the number of movies on DVD. $v+2v=126$ $\longrightarrow$combine like terms $3v=126$multiplication property $3v\div3=126\div3$ $\longrightarrow$simplify $v=42$ $2v=2\times42=84$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.