Question 1060521
Assume that the wheelchair ramp described each have a slope of 1/12 which is the maximum slope recommended for a wheelchair ramp.

A) a wheelchair ramp has a 21 foot run. What is its rise?
1:12 is 1 inch per foot.
21 ft --> 21 inches.
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B) a wheelchair ramp rise 4 feet. What is its run?
48" --> 48 feet