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When James was nine years old he hammered a nail into a tree to mark his height. Ten years later, James returned to see how much higher the nail was. If the tree grew by four inches each year, how much higher would the nail be?
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Clue
THE NAIL WOULD BE AT THE SAME HEIGHT AS TREES GROW FROM THE TOP
THE NAIL WOULD BE AT THE SAME HEIGHT SINCE TREES GROW AT THEIR TOPS
THEY ARE 10.5 AND 0.5 YEARS OLD. A COMMON WRONG ANSWER IS 10 AND 1. THIS IS WRONG BECAUSE THE DIFFERENCE IN AGE WOULD BE 9, NOT 10
SIX YEARS. THE WORKMEN WERE ABLE TO DOUBLE ITS HEIGHT EVERY YEAR, SO IT SHOULD BE HALF OF ITS MAXIMUM HEIGHT ONE YEAR BEFORE COMPLETION
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