Question: what was the winners max time? If one of the stopwatches was faulty which one would it be to make it possible for the winner to win in 12.6 seconds
Info:
Three friends timed a race using stopwatches which record time to different degress of accuracy.
All stopped when the winner reached the finish line.
Jane's read 12.5 seconds to the nearest 0.5 seconds.
Keith's read 13 seconds correct to the nearest seconds
Lana's read 12.7 seconds correct to the nearest tenth of a second.