nicolecox2014 nicolecox2014

14-07-2017
Mathematics

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a tree casts a 9 ft shadow at the same time that a person 6 ft tall casts a 4 ft shawdow. what is the height of the tree?

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geekalik geekalik

14-07-2017

First you need to set up the ratios.

x/9=6/4
(with hights on top, and shadows on bottom)

then you need to cross multiply and divide.
4x=54
/4
x=13.5

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