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23 December, 11:26

A tree that is 3 feet tall is growing at a rate of 2 feet each year. A tree that is 13 feet tall is growing at a rate of 1 foot each year.

Enter the number of years it will take the two trees to reach the same height.

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Answers (2)
  1. 23 December, 11:41
    0
    Answer:In 8 years the tree will have the same height.

    Step-by-step explanation:

    Step 1:

    Let x = the number of years when the two trees will be the same height.

    For the 2ft tree, you can express its height in x years as:

    2+1 (x)

    And for the 6ft. tree ...

    6+0.5 (x)

    Step 2:

    2+x = 6+0.5x Subtract 0.5x from both sides.

    2+0.5x = 6 Now subtract 2 from both sides.

    0.5x = 4 Finally, divide both sides by 0.5

    x = 8
  2. 23 December, 12:23
    0
    8 years
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