20 Sep 2016

US maths professor Sylvain Cappell works on maths question

From Checkpoint, 5:56 pm on 20 September 2016

If Ranee gave Hone $20 they would have the same amount. If instead Hone gave Ranee $22, Ranee would then have twice as much as Hone....US maths professor Sylvain Cappell tries to solve a year 11 exam question.