Answer:

Step-by-step explanation:





<em>plz mark me brainliest.</em> :)
I believe that it would be 13, unless you were trying to make the 9 negative. Hope that helps.
There was only one car that went over the speed limit and it's car A (183). the other cars were all under and how i found this out was take 60 mph x hours n that's the miles they should of drove n that many hours if they are above it the miles will be higher.