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Solitare

Stage: 3 Short Challenge Level: Challenge Level:2 Challenge Level:2
See all short problems arranged by curriculum topic in the short problems collection


After playing $500$ games, my success rate at Solitaire is $49\%$.

Assuming I win every game from now on, how many extra games do I need to play in order that my success rate increases to $50\%$?


If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.


This problem is taken from the UKMT Mathematical Challenges.