Is the phone number of a restaurant? Qualitative, continuous, or discrete

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Explain the importance of file management and how to control files over time

1. what is the difference between a learner’s license and a driver’s license?