If the average speed of a journey was $63$63 km/h, then which of the following statements is valid?
The minimum speed of the journey was $63$63 km/h.
The maximum speed over the journey was $63$63 km/h.
$63$63km were traveled in exactly $1$1 hour.
The speed could have wavered above and below the speed of $63$63 km/h.
The journey took $1$1 hour.
Sally tells Neil that her trip from Uppity to Downtown had an average speed of $90$90 km/h. Which of the following statements could be true? Select all appropriate answers.
Maria travels by car for $420$420 km. The trip takes $10$10 hrs. What is the average speed of the trip?
Amelia travelled by car, crossing a distance of $340$340 km in $5$5 hours.