Prealgebra (7th Edition)

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

Chapter 3 - Section 3.4 - Linear Equations in One Variable and Problem Solving - Exercise Set: 39

Answer

The projected number of visitors for Spain is 70m. The projected number of visitors for China is 140m.

Work Step by Step

Let $s$ be the projected number of visitors for Spain. The projected number of visitors for China is 2s. $s+2s=210$ $\longrightarrow$combine like terms $3s=210$ $\longrightarrow$multiplication property $3s\div3=210\div3$ $\longrightarrow$simplify $s=70$ $2s=2\times70=140$
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.