SOLUTION: Dave is 6 feet tall and he cast a shadow of 8 feet. A tree he wants to cut down casts a shadow of 75 feet. How tall is the tree ?

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Question 840609: Dave is 6 feet tall and he cast a shadow of 8 feet. A tree he wants to cut down casts a shadow of 75 feet. How tall is the tree ?
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
6%2F8+=+75%2Fx where x is the height of the tree
do cross products
6x = 8*75
6x = 600
x =100 ft