Maria travels by car for $420$420 km. The trip takes $10$10 hrs. What is the average speed of the trip?
A bus leaves the depot at $6$6:$00$00 am and $324.5$324.5 km later arrives at $11$11:$30$30 am. What was the average speed of the journey?
At $11$11:$45$45 am, Christa and Sharon leave in their car headed to Brisbane $96$96 km away. They arrive at $1$1:$15$15 pm. What is the average speed of the journey?
At $9$9:$5$5$0$0 am, Skye and Isabelle leave in their car headed to Melbourne $399$399 km away. They arrive at $2$2:$3$3$5$5 pm. What was the average speed of the journey?