Question
Sam spent 2 h 55 min to complete his Biology and Social Science assignments. He spent 45 min more on his Biology assignment than his Social Science assignment. How long did he take to complete his Social Science assignment?
4 m

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Sam spent 2 h 55 min to complete his Biology and Social Science assignments. He spent 45 min more on his Biology assignment than his Social Science assignment. How long did he take to complete his Social Science assignment?