Ok you wonderful Grade 7's - this week's problem.
Spa, Hannah-Rose and Matthew each have some money. The sum of Spa's and Hannah-Rose's money is R18. The sum of Hannah-Roxe's and Matthew's money is R21. The sum of Spa's and Matthew's money is R23. How much money do they have altogether?

Michael - excellent news about your Natal rugby trials. Best of luck for Wednesday.