Copyright © University of Cambridge. All rights reserved.

'Weekly Problem 11 - 2013' printed from

Show menu

The reduction of 15% off sale prices is equal to a reduction of 7.5% off the original prices. Therefore the toal reduction on the original prices is (50 + 7.5)% = 57.5%.

This problem is taken from the UKMT Mathematical Challenges.

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