# math

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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 -

Set up a proportion and cross multiply. Let x = height of tree.

x / 5 = 1 / 0.4
0.4x = 5
x = ?

• math -

12.5

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