jcolladosp5qtek jcolladosp5qtek

17-03-2018
Mathematics

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Two green faucets take 4 hours together to fill a deposit. Two other blue faucets take half together. How long does it take to fill the tank with a blue and a green tap together?

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savannahmarie12 savannahmarie12

17-03-2018

It should take 2 hours to fill a tank

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