If a side of the polygon is extended determines the supplementary angle of an interior angle

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?