Candy Floss 

The Problem:

Richard is making Candy Floss – in his kitchen…

He starts with a cylinder of sugar (diameter = 5cm, length = 8cm). 

He melts this down.

Then he spins it into a single, long fibre of sugar (a cylinder of cross-sectional diameter 1mm), using his Grandmother’s pedal-driven spinning machine.

 What length of Candy Floss (known as ‘Barbe Papa’ in France) does he make?

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Last modified: June 18, 2007