Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.5 - An Introduction to Problem Solving - Exercise Set - Page 168: 67


$$A = 91$$

Work Step by Step

We are trying to find $A$ given values for $a$, $b$, and $h$: $$A = \frac{1}{2} \times 7(10 + 16)$$ Simplify what is in parentheses first: $$A = \frac{1}{2} \times7 (26)$$ Do the multiplication: $$A = \frac{1}{2} (182)$$ Multiply $\frac{1}{2}$ by $182$: $$A = 91$$
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