Pascal 2008 5

Question 5 on the Grade 9 Pascal paper from 2008 You can find a copy of this contest here: http://cemc.uwaterloo.ca/contests/past_contests/2008/2008PascalContest.pdf For more CEMC contests and their solutions visit: http://cemc.uwaterloo.ca/contests/past_contests.html For more videos subscribe and follow @SqrtBeer