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A garden hose can fill a hot tub in 360 ​minutes, whereas the drain on a hot tub can empty it in 600 minutes. If the drain is accidentally left​ open, how long will it take to fill the​ tub?

Respuesta :

mani82ebra

Answer:

900 minutes

Step-by-step explanation:

1/360 of tub is filled every minute

1/600 of it is drained every minute

1/360-1/600=1/900 is filled every minute then

it takes 900 minutes.