Mathematics, 03.01.2020 00:31 taynalizcaamanoxewm0

Water pump a, b and c could empty a pool for 6 hours, a and b pump could empty a pool for 8 hours how long (to the nearest minute) will it take to drain the pool if both pumps are used simultaneously?

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Water pump a, b and c could empty a pool for 6 hours, a and b pump could empty a pool for 8 hours ho...