Tree shadow

The shadow of the tree is 16 meters long. Shadow of two meters high tourist sign beside standing is 3.2 meters long. What height has tree (in meters)?

Correct result:

x =  10 m

Solution:

x=23.2⋅ 16=10 mx=\dfrac{ 2 }{ 3.2 } \cdot \ 16=10 \ \text{m}

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