SOLUTION: Assume that the stopping distance of a van varies directly with the square of the speed. A van traveling 20 miles per hour can stop in 30 feet. If the van is traveling 22 miles per

Question 1144989: Assume that the stopping distance of a van varies directly with the square of the speed. A van traveling 20 miles per hour can stop in 30 feet. If the van is traveling 22 miles per hour, what is its stopping distance?
Answer by ikleyn(52756) (Show Source): You can put this solution on YOUR website!
.


Write this direct proportion


     = .


From the proportion,  find  x =  = 36.3 ft.    ANSWER

There is a long way and a short way to solve the problem and to present the solution.

I chose a short way . . .

RELATED QUESTIONS
Assume that the stopping distance of a van varies directly with the square of the speed.... (answered by htmentor)

Assume that the stopping distance of a van varies directly with the square of the speed.... (answered by Alan3354)

On a dry asphalt road, a car’s stopping distance varies directly as the square of its... (answered by josmiceli)

The stopping distance of (s) of a car varies directly as the square of it's speed (v). If (answered by ankor@dixie-net.com)

the stopping distance of a car varies directly as the square of its speed. if a car... (answered by jorel1380)

The stopping distance s of a car varies directly as the square of its speed v. If a car... (answered by ewatrrr)

The stopping distance s of a car varies directly as the square of its speed v. If a car... (answered by mananth)

the stopping distance, s, of a car varies directly as the square of its speed, v. If a... (answered by Alan3354)

the stopping distance, s , of a car varies directly as the square of its speed, v. if a... (answered by josgarithmetic)