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Naya [18.7K]
4 years ago
10

A stone fell from the top of a cliff into the ocean.

Mathematics
1 answer:
Nikitich [7]4 years ago
5 0

Answer:

5 seconds.

Step-by-step explanation:

Make an equation.

Time in air = x

Time in water = 12 - x

16x + 36 - 3x = 127

13x = 91

x = 7

12 - 7 = 5

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