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24 April, 10:38

The flagpole casts an 8 foot as shown in the table. At the same time the goal post cast an 18 foot shadow. How tall is the goal post?

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  1. 24 April, 11:04
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    12 / 8 = 1.5

    1.5 * 20 = 30

    therefore the oak tree is 30 feet tall

    double check:

    8 / 20 = 0.4 = shadow length per ft

    30 * 0.4 = 12
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