Mike rides his bicycle at a constant speed of 30 km/h. How many kilometres does Mike travel in 20 minutes?
, 2019
Pick one
Solution
Since 1 hour equals 60 minutes, then 20 minutes equals of an hour.
Since Mike rides at 30 km/h, then in of an hour, he travels km.
Want a route through all this instead of an archive? The track
puts 2,444 problems in a working order, from Junior Challenge level to the IMO shortlist.