Helen, Francesca, and Olivia each took a test that had 25 questions. Helen got 20 questions correct, Francesca answered 3 questi
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Let xy = 25, x and y > 0.
Thus, at x = 5, there lies a minimum summation, and this forms a square with side length of 5.
Thus, at x = 5, there lies a minimum summation, and this forms a square with side length of 5.