Mathematics, 04.03.2020 11:31, hidais

Working together, it takes two different sized hoses 30 minutes to fill a small swimming pool. If it takes 45 minutes for the larger hose to fill the swimming pool by itself, how long will it take the smaller hose to fill the pool on its own?
Do not do any rounding.

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Working together, it takes two different sized hoses 30 minutes to fill a small swimming pool. If it...