When Derek planted a tree it was 36 inches tall. The tree grew 1 1/4 inches per year. The tree is now 44 3/4 inches tall. How ma ny years ago did Derek plant the tree?
1 answer:
Original Height = 36 inches.
Change in height:
Number of years :
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Answer; Derek has planted the tree for 7 years. -----------------------------------------------------------------
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5y = 3x = 2 3x = 2 x = .66 or 2/3 5y = 2/3 y = <span>0.133</span>
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