Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapter 2 Test: 25

Answer

Sheila chose the number $4n-3$.

Work Step by Step

Let us start at Hal's number, $n$. To get to Sheila's number, first we must multiply by $4$ because the problem says "4 times the number that Hal chose." This gives us $4n$. Next, we must also subtract $3$ from this product because the problem says "$3$ less than." This gives us the expression $4n-3$, which is Sheila's number.
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