A factory worker tested the speedometer of a new car by driving it a certain distance at a constant speed. The percent error was too large, so the car was sent back to be fixed. What speed did the speedometer show?


Key information:


The car went 10 miles.


The car drove for 8 minutes.


To pass the test, the speedometer must show within 2% of the correct speed.


The speedometer was showing a speed slower than the car was actually going