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28 August, 20:50

The ratio of the heights of two trees is 7:5. If the first tree is 210 feet tall, what is the height of the second tree?

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  1. 28 August, 21:06
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    The height of the second tree is 150ft.

    Step-by-step explanation:

    Well you have to set it up as a proportion, so

    7 = 210

    5 = x

    Then you cross multiply, 7 times x is 7x, and 210 times 5 is 1050.

    Now you have 7x = 1050

    Then you divide 1050 and 7x by 7.

    And the final answer is x = 150ft
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