Why do this
which does not need the use of algebra, is nevertheless, quite
tricky to do and does require clear logical thinking. Learners will
need to understand the properties of numbers and the relationships
between speed, time and distance.
Is N odd or even?
What sort of speed would you expect the walkers to do?
How long do the walkers take to reach B?
How large can N be?
How many minutes are there in an hour? Does this make a
How can the distance of road be related to the speed of car
and the time taken travelling?
Learners who found this problem easy could try Four on the Road
Suggest trying Bike
which is an easier problem instead.