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marlo who is standing near a tree during the day measures her shadow to be 19 inches long. A nearby trees shadow is 66.5 inches long. if marlo is 5.1 feet tall, how tall is the tree in feet?

 Jan 14, 2020
 #1
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Use a ratio system

5.1 ft is to 19 inches    as   tree h is to 66.5 

 

5.1/19    =  h / 66.5

5.1/19  * 66.5   = h

h= 17.85 ft tall

 
 Jan 14, 2020

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