A car travels 30 miles in the same time that a car traveling 5 miles per hours faster travels 45 miles. What is the rate of each car?
Speed = distance/time, therefore
Time = distance/speed
30/x = 45/(x+5)
Solve for x, then x+5.
Time = distance/speed
30/x = 45/(x+5)
Solve for x, then x+5.