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.
Answer:
8
Step-by-step explanation:
8 plus 9 plus 10 equals 27. so 8 is the smallest.
Multiply top equation by -2, then add equations so b drops out....solve for a...plug in a to get b
