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MGSM / Toms Schiff kann 10 Meilen pro Stunde zurücklegen. Er segelt von 13 bis 16 Uhr.…

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Toms Schiff kann 10 Meilen pro Stunde zurücklegen. Er segelt von 13 bis 16 Uhr. Dann fährt er mit einer Geschwindigkeit von 6 Meilen/Stunde wieder zurück. Wie lange braucht er für den Rückweg?

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