Determine whether each of the following topics would more likely be studied in microeconomics or macroeconomics.

Trey caught a five and a half pound fish. how much did it weigh in ounces?

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?

Asking questions when something is unclear is part of?