Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter R - Section R.3 - Decimals and Percents - Practice: 10



Work Step by Step

Step 1: Multiply 5 by 20 to become 100 Step 2: Multiply both top and bottom by 20: $\frac{40}{100}$ Step 3: Write down 40 with the decimal point 2 spaces from the right (because 100 has 2 zeros) = $0.4$ or $0.40$
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