Question
Dylan spent 3 h 35 min to complete his Physic and Chemistry assignments. He spent 35 min more on his Physic assignment than his Chemistry assignment. How long did he take to complete his Chemistry assignment?
4 m

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Dylan spent 3 h 35 min to complete his Physic and Chemistry assignments. He spent 35 min more on his Physic assignment than his Chemistry assignment. How long did he take to complete his Chemistry assignment?