Grade of a Highway Interstate 70 west of Denver, Colorado,
Chapter 0, Problem P.4.58(choose chapter or problem)
Grade of a Highway Interstate 70 west of Denver, Colorado, has a section posted as a 6% grade. This means that for a horizontal change of 100 ft there is a 6-ft vertical change.
(a) Find the slope of this section of the highway.
(b) On a highway with a 6% grade what is the horizontal distance required to climb 250 ft?
(c) A sign along the highway says 6% grade for the next 7 mi. Estimate how many feet of vertical change there are along those next 7 mi. (There are 5280 ft in 1 mile.)
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