Keith Lee's answer to Mary Song's Primary 5 Maths question.

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Keith Lee
Keith Lee's answer
258 answers (Tutor Details)
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Mary Song
Mary Song
7 years ago
The answer in my book is 4 hour 22.08min
Keith Lee
Keith Lee
7 years ago
Yes I got the same answer. I rounded it to 22 min but 22.08 min is correct.