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Un article trouvé pour ce sujet.
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Filling a tank with 2 taps |
2008-11-10 |
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Murray pose la question :
2 taps turned on together can fill a tank in 15 minutes. By themselves, one
takes 16 minutes longer than the other to fill the tank.Find the time taken to
fill the tank by each tap on it's own.
Penny Nom and Victoria West lui répond. |
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