A few weeks ago twitter was inundated with bemused GCSE students discussing a tough algebra question about Hannah's sweets.
But one Boston Grammar School student took it his stride.
Ryan Skinner has just been invited to a prestigious summer school because he did so well in the UK Maths Challenge.
BBC RADIO LINCOLNSHIRE'S Harry Parkhill went down to the school for a maths lesson...
First aired on BBC RADIO LINCOLNSHIRE 8th June 2015
