Question
Vincent spent 3 h 55 min to complete his Malay and Chinese assignments. He spent 45 min more on his Malay assignment than his Chinese assignment. How long did he take to complete his Chinese assignment?
4 m

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Vincent spent 3 h 55 min to complete his Malay and Chinese assignments. He spent 45 min more on his Malay assignment than his Chinese assignment. How long did he take to complete his Chinese assignment?