20 February 2014

• 15:3015:30, 20 February 2014 diff hist +285 N 2014 AMC 12B Problems/Problem 1 Created page with "She has <math>p</math> pennies and <math>n</math> nickels, where <math>n + p = 13</math>. If she had <math>n+1</math> nickels then <math>n+1 = p</math>, so <math>2n+ 1 = 13 </mat..."

28 January 2014

• 01:4501:45, 28 January 2014 diff hist +491 2000 AMC 12 Problems/Problem 15 →Solution