SOLUTION: The diameter (y) of a tree varies directly as it's age (x). A 15 year old tree is 3.75 inches in diameter. How old will the tree be when it is 25 inches in diameter?
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-> SOLUTION: The diameter (y) of a tree varies directly as it's age (x). A 15 year old tree is 3.75 inches in diameter. How old will the tree be when it is 25 inches in diameter?
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Question 358083: The diameter (y) of a tree varies directly as it's age (x). A 15 year old tree is 3.75 inches in diameter. How old will the tree be when it is 25 inches in diameter? Answer by mathesther05(3) (Show Source):