Question
Caden spent 3 h 55 min to complete his Physic and Chemistry assignments. He spent 45 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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Caden spent 3 h 55 min to complete his Physic and Chemistry assignments. He spent 45 min more on his Physic assignment than his Chemistry assignment. How long did he take to complete his Chemistry assignment?