Copyright © University of Cambridge. All rights reserved.
'Flora the Florist' printed from http://nrich.maths.org/
Flora the florist has $24$ white, $42$ red and $36$ yellow roses. What is the greatest number of bunches she can make if she uses all of these flowers and all the bunches are identical?
If you liked this problem, here is an NRICH task
which challenges you to use similar mathematical ideas.