OpenStax, Elementary Algebra 2e §4.4 Understand Slope of a Line · Exercise 72 · Algebra · Graphs
Understand Slope of a Line · Exercise 72
Highway grade. A local road rises 2 feet for every 50 feet of highway.
ⓐ What is the slope of the highway?
ⓑ The grade of a highway is its slope expressed as a percent. What is the grade of this highway?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Elementary Algebra 2e · §4.4 Understand Slope of a Line · Exercise 72
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