Age 14 to 18 Challenge Level:
Why do this problem?
The problem gives practice in solving linear and quadratic
Use this as a lesson starter. If learners do not know how to start
let them use the Hint.
Then discuss the problem as a class but try to elicit ideas from
the learners themselves.
How do we make use of the information given?
If we are not making progress, then have we used all the