Question
David answered 21 questions in a quiz. He took 2 min for each of the first 10 questions and 4 min for each of the remaining questions. The quiz started at 8.10 a.m. At what time did David complete his quiz? (Give your answer in 12-hour clock format.)
2 m

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David answered 21 questions in a quiz. He took 2 min for each of the first 10 questions and 4 min for each of the remaining questions. The quiz started at 8.10 a.m. At what time did David complete his quiz? (Give your answer in 12-hour clock format.)