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Mathematics, 12.01.2020 09:31 shalynmincey

There are 480 dishes that need to be rinsed. juan can rinse them in 80 minutes by himself. it will his friend kevin 120 minutes to rinse these dishes. how long will it take them if they rinse these 480 dishes together ?


There are 480 dishes that need to be rinsed. juan can rinse them in 80 minutes by himself. it will h

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