Question
Reggie spent 4 h 30 min to complete his Math and History assignments. He spent 40 min more on his Math assignment than his History assignment. How long did he take to complete his History assignment?
4 m

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Reggie spent 4 h 30 min to complete his Math and History assignments. He spent 40 min more on his Math assignment than his History assignment. How long did he take to complete his History assignment?