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12-12-2016
Mathematics

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A gardener is planting two types of trees:

Type A is 9 feet tall and grows at a rate of 13 inches per year.

Type B is 6 feet tall and grows at a rate of 19 inches per year.

Algebraically determine exactly how many years it will take for these trees to be the same height.

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MathisLif3 MathisLif3

12-12-2016

9 + 13x = 6 + 19x since x is same variable (year)
9 - 6x = 6
-6x = -3
x = 1/2 yr or 6 months

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