Algebra 1

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

Chapter 2 - Solving Equations - 2-9 Percents - Practice and Problem-Solving Exercises - Page 142: 44


A is greater.

Work Step by Step

If B is 90% of A, then B is less than one whole part (100%) of A. This means A is greater. For example, let A=100. $90\%(A)=B\longrightarrow$ convert percent to decimal by moving decimal 2 places left. $0.9A=B\longrightarrow$ substitute for A $0.9(100)=B\longrightarrow$ multiply $90=B$ $100\gt90$, so A is greater.
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