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Ghost Post
Icarian Member

 Posted: Fri Oct 29, 1999 4:54 pm    Post subject: 1 did i miss something? if the tree grows 1 inch per year, and the marker starts at 1/4 the height of the 50 foot tree, doesn't the marker grow at 1/4 of 1 inch per year. in real life, trees grow unevenly with the majority of the growth at the top of the tree. This assumes all of the growth occurs from the base of the tree.
Andy
Daedalian Member

 Posted: Fri Oct 29, 1999 7:47 pm    Post subject: 2 Nice catch - the arithmetic given in the solution assumes that the tree growth (in height) is entirely at the base or at least all below the 12-1/2 foot point. Your correction to 1/4" per year for the marker's height is reasonable, assuming that the tree grows up evenly throughout its height. Of course, as you and the official solution point out, trees don't grow that way.
Buzzsaw
Newbie Guidance Counselor

 Posted: Fri Oct 29, 1999 9:47 pm    Post subject: 3 Yes, trees only elongate from the branch and root tips. The rest of the tree increases in girth or diameter as it grows. Brillo
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