Question

A ramp with a constant incline is made to connect a driveway to a front door. At a point 4 feet from the driveway, the height of the ramp is 12 inches. At a point 6 feet from the driveway, the height of the ramp is 18 inches. What is the rate of change of the ramp’s incline?

1/3 inch up per foot across
1/2 inch up per foot across
2 inches up per foot across
3 inches up per foot across

Answer 1

4/12=6/18

Answer 2

huh?

Answer 3

a ?

Answer 4

yes A