Compilation of all things math --- questions obtained via students' consultation, related math sites.
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Friday, May 6, 2016
P6 percentage (fr YZ)
John and Cena shared a total of 1274 cards. John gave 48% of his shares to Cena. Cena than gave 30% of his share to John. In the end, they had the same amount. How many cards did John have at first?
