Outline Mathematics Word Problems Five Siblings Here's a problem to tackle:   "So you've got five kids, with one girl in the middle," said Alan. "How old is she?" Clem smiled. "Figure it out yourself," he replied. "They're all spaced two years apart, and the youngest boy is just half as old as the oldest." How old was the girl? Solution Copyright © 1996-2008 Alexander Bogomolny                             Solution   "So you've got five kids, with one girl in the middle," said Alan. "How old is she?" Clem smiled. "Figure it out yourself," he replied. "They're all spaced two years apart, and the youngest boy is just half as old as the oldest." How old was the girl? (In the applet below, click on the underlined omitted expressions. See what happens.) // formulations This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at http://www.java.com/en/download/index.jsp, download and install Java VM and enjoy the applet. Do not forget to check your solution. References J. A. H. Hunter, Entertaining Mathematical Teasers, Dover Publications, 1983 Copyright © 1996-2008 Alexander Bogomolny

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