Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - Chapter Review - 1-7 The Distributive Property - Page 71: 85



Work Step by Step

Multiply the cost per member times the number of members to find the total cost. $30\times95=2850$ To solve using mental math, use the distributive property to restate the problem. $30\times95=30(100-5)$ Mental math tells us that $30\times100=3000$ and $30\times5=150$. Use mental math to subtract 150 from 3000, giving us $2850.
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