Question

The formula r=2sqrt(...)5L can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will a car skid at 70mph?

Answer 1

now this is getting weird. Another person assuming that sqrt(...) is the exact notation?

Go ask the person who gave you this, to show you the solution we already posted.

Answer 2

41.9