The formula r=3sqrt5L can be used to approximate the speed, r, in miles per hour, of a car that has left skid marks in the length, L, in feet. How far will a car skid at 80mph and at 55mph?

Question

anonymous · Answer

$$r = 3\sqrt{5L}$$ or $$r = 3\sqrt{5}L$$
Which one

anonymous · Answer

it is for 80 miles per hour

anonymous · Answer

Is the square root sign above both 5L or just 5

anonymous · Answer

and then the other is for 55 miles per hour so its two seperate questions but if you only want to help with one that is fine.

anonymous · Answer

the sqrt is above the 5L