Algebra 1

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

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Mixed Review - Page 36: 83



Work Step by Step

h=5 a=2 w=8 Rewrite the expression with the plugged in values substituting the variables: 4h-5a $\div$ w 4(5) - 5(2) $\div$ 8. Complete the order of operation. First, multiply the integers. 20-10 $\div$8. Now divide 10 $\div$8, which can also be put in fraction form, $\frac{10}{8}$. Simply the fraction: $\frac{10}{8}$ = $\frac{5}{4}$. Now add $\frac{5}{4}$ + 20. To solve the difference between the integers, change the 20 into an improper fraction to combine with $\frac{5}{4}$: 20= $\frac{80}{4}$. Combine the terms: $$\frac{80}{4}-\frac{5}{4}=\frac{75}{4}$$
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