College Math

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Water rises inside a plant's stem an average of 4ft. every hour.
A. How many inches is that? The answer for this is 48 inches.
B)If a plant is 72 in. tall, how long would it take for water to travel from the bottom to the top of the plant?
On part B, I didn't understand on how to get the answer. Please help

  • College Math -

    B.

    It travels 48 inches in one hour.

    72 - 48 = 24

    24/48 = 1/2

    So it would take an hour and a half to reach the top of a 72-inch plant.

  • College Math -

    90 minutes

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