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

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