James is driving his car. He knows how far he has travelled in kilometres, and how long it has taken him in minutes.
Which rates can be used to calculate his average speed? Select all that apply.
kilometres/hour
kilometres/minute
hours/minute
Select the two rates that are equivalent.
Marie cycles $77$77 kilometres in $7$7 hours on her bike.
Maria ran for $4$4 hours at the speed of $10$10 km/h.