Four on the Road

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

Well done to Thomas from Woodland Middle School, and Rayan from St James School, who each sent us graphs which show all the pieces of information.

Thomas's GraphRayan's Graph

These aren't the only graphs which solve the problem, so why not try drawing some more and looking at the similarities and differences between them?

Published July 2009,August 2009.