Question
Caden answered 21 questions in an exam. He took 2 min for each of the first 9 questions and 6 min for each of the remaining questions. The exam started at 8.15 a.m. At what time did Caden complete his exam? (Give your answer in 12-hour clock format.)
2 m

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Caden answered 21 questions in an exam. He took 2 min for each of the first 9 questions and 6 min for each of the remaining questions. The exam started at 8.15 a.m. At what time did Caden complete his exam? (Give your answer in 12-hour clock format.)