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23-11-2014
Mathematics

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The slope of a ramp from the sidewalk to the street has to be 1/20. The height of a ramp is 2.5 inches. What is the horizontal length (in inches) of the ramp?

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23-11-2014

The ratio is 1:20 so if you need to go up 2.5 inches you need to travel 2.5x20 inches horizontally.
2.5x20=50 inches.

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