The guidelines for a wheelchair ramp suggest that the ratio of the rise to the run be no greater than 1 : 12


A. Which wheelchair ramps follow the guidelines

A. A ramp with a length of 30 feet and a height of 3 feet

B. A ramp with a length of 20 meters and a height of 0.5 meters

C. A ramp with a length of 384 inches and a height of 32 inches

D. A ramp with a length of 1 feet and a height of 12 feet




B. A wheelchair ramp provides access to a building with a front door that is 2.5 feet above the sidewalk. Which best describes the possible length(s) for the ramp that will follow the guidelines.

Let x represent the length (in feet) of the ramp

A. X < 30

B. X > 30

C. X ≥ 30

D. X ≤ 30