George Z.

asked • 01/24/17

This question I just can't get...

Stopping distance, d, measured in feet, of a car travelling at v miles per hour is given by this formula:  

          

d = v + 2 

                20

 

Find d when v = 20 miles per hour

                            
               

                               
 

(v2/20 is supposed to be a fraction, have no idea what happened with the formatting)

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