A Long Time at the Till
Try to solve this very difficult problem and then study our two suggested solutions. How would you use your knowledge to try to solve variants on the original problem?
These are the live Stage 5 problems which are currently open for solution or comment. Why not submit a solution or comment on any parts that you have done?
Try to solve this very difficult problem and then study our two suggested solutions. How would you use your knowledge to try to solve variants on the original problem?
If I tell you two sides of a right-angled triangle, you can easily work out the third. But what if the angle between the two sides is not a right angle?
These are the weekly problems currently open for discussion on the blogs:
These are the two live investigations open for discussion on the blogs, which will update every month:
