That's because day 1 no longer counts against the 70 hour limit (you are only required to count the current day and the previous 7 days for 8 days total). Since the driver had -5 hours available and 10 hours fell off the calculation, the driver had a total of 5 hours available on the 70 hour limit.
How many countries are there in the world? Since South Sudan became an independent state on 9 July 2011, there are now 195 independent sovereign nations in the world (including disputed but defacto independent Taiwan), plus about 60 dependent areas, and five disputed territories, like Kosovo.
How Many Languages Are There In The World. There are more than 7000 different languages are spoken by the people around the world today. Anyhow 90% of these languages are used by less than 100,000. If you ask a question, how many languages are there in the world, it can be answered with the number 7000+.