SOLUTION: a tree casts a shadow 45 ft long, when a 6 foot person casts a shadow 4 feet long, how tall is the tree?

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Question 190812: a tree casts a shadow 45 ft long, when a 6 foot person casts a shadow 4 feet long, how tall is the tree?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

Let x represent the height of the tree, then:



Cross-multiply and solve for x. Or just notice that it is time-and-a-half, half of 45 is 22.5 plus 45 = 67.5.

John