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Answer:
1.493916666667 ≈ 1.5 inches per hour.
Explanation:
the approximate growth of the plant, in centimeters per hour:
91/24 = 91÷24 = 3.791666666667
the approximate growth of the plant, in inches per hour:
3.791666666667×0,394 = 1.493916666667 .
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