Homework Help: Math

Posted by Angela on Wednesday, May 21, 2008 at 5:45pm.

I have this application that I cant figure out how to work. Please help without giving me the answer.

A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the tree?

Math - Ms. Sue, Wednesday, May 21, 2008 at 6:33pm
Since the meter stick's shadow is 0.4 of its actual length, then the tree's shadow must be 0.4 of its actual length.

Let x = height of tree.

0.4x = 5
x = ?

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