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Mathematics, 21.01.2021 22:10 Hardydonotmess1
1. One pipe can fill a tank in 20 minutes, while another takes 30 minutes to fill the same tank. How long would it take the two pipes together to fill the tank
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Mathematics, 21.06.2019 20:00, tansebas1107
Can you me find the missing length. i attached an image.
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1. One pipe can fill a tank in 20 minutes, while another takes 30 minutes to fill the same tank. How...
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