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Jan Kukacka · Answer 1 · 2022-10-09T07:07:48+0000

Answer: 5400

Step-by-step explanation: Each hour is 60 minutes and each minute is 60 seconds. 60 x 60 = 3600. To convert 30 minutes into seconds you multiply 30 x 60 which equals 1800. Then you add 3600 + 1800 and you get 5400.

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