malixd11 malixd11

27-11-2016
Mathematics

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Kevin measured the height of a tree in the summer of 2013 and again in the summer of 2014. He found that the tree grew 10% in that year. Now the tree is 33 is 33 feet tall. How tall was the tree in the summer of 2013?

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porterriddle porterriddle

27-11-2016

The tree was 30 feet tall. If we divide 33 by 1.1(undoing the 10% increase) we get 30. We can prove this by multiplying 30 by 1.1

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