Maria praticed the recorder for 40 minutes on saturday. she praticed 10 minutes less in the afternoon than in the morning. how many minutes did maria practice in the morning? in the afternoon?

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  1. Let x represent the amount of time she practiced in the morning.

    x + (x - 10) = 40
    2x - 10 = 40
    2x = 50
    x = 25

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