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algol [13]
3 years ago
11

Lewis County, Washington, has a guideline that new roads should not exceed a 15% grade, or a 15 foot rise over a horizontal dist

ance of 100 feet. A proposed roadway rises 41 feet over 254 feet horizontally. Find the grade of the proposed roadway to the nearest percent. Does it meet the county’s guideline?
Mathematics
1 answer:
sesenic [268]3 years ago
4 0
To calculate this problem, divide the smaller number by the larger to get the grade or slope.
I.E.  15/100= .15 = 15%
     41/254 = .16 = 16%   NOPE, it doesnt meet county guidelines

    hope it helps
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