Khan/khan-exercises — pull request #114494 by petercollingridge (2013-11-13 13:56:54+00:00)
Title: Systems of equations word problems edit

Remove x= and y= from final problem type and replace with "larger number =" and "smaller number =". Also tidy up hints a bit, making colours consistent and making numbers mathy.

For: https://trello.com/c/aE0IALBo/447-systems-of-equations-word-problems