Copyright © University of Cambridge. All rights reserved.

'Weekly Problem 7 - 2009' printed from http://nrich.maths.org/

Show menu


Tony owes Tina 40p. Then Tina borrows 50p from Tony. Later Tony gives Tina 60p. Who has to pay what to whom to square things up?


If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.

View the previous week's solution
View the current weekly problem