1985 AJHSME Problems/Problem 7
Revision as of 20:31, 12 January 2009 by 5849206328x (talk | contribs) (New page: ==Problem== A "stair-step" figure is made of alternating black and white squares in each row. Rows <math>1</math> through <math>4</math> are shown. All rows being and end with a white squ...)
Problem
A "stair-step" figure is made of alternating black and white squares in each row. Rows through are shown. All rows being and end with a white square. The number of black squares in the row is
Solution
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