Question 294598
Use: d = r*t where d = distance (miles), r = rate (mph), and t = time of travel (hrs).
d = r*t Substitute r = (4x+5)mph and t = (x-1)hrs.
d = (4x+5)*(x-1) Use FOIL to multiply.
d = 4x^2-4x+5x-5 Simplify.
d = 4x^2+x-5 miles.