Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

Chapter 3 - Introduction to Graphing - Review Exercises: Chapter 3 - Page 226: 47

Answer

grade $\approx 8.33\%$

Work Step by Step

The slope of the ramp is the quotient of the rise and the run: slope = $\dfrac{1}{12}$ To express the slope as a grade, convert the slope to percent: grade = $\dfrac{1}{12}=0.08\overline{3} = 0.08\overline{3} \times 100\%\approx 8.33\%$

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