NEED HELP ASAP PLEASE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!HELP ME !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In the drawing above, the distance from the ground to the floor of the trailer is 28 inches. The length of the ramp is 70 inches. What is the mechanical advantage of this simple machine?
A.
28
B.
2.5
C.
2/5
D.
1/3
