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13 July, 19:48

The time t (in minutes) requires to empty A tank of waste water varies inversely with the rate r (in gallons per minute) of pumping. The constant of variation is 56. Find the time it will take to empty the tank when the rate is 4 gal/min

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  1. 13 July, 21:56
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    14 mins

    Step-by-step explanation:

    t = k/r

    k = 56

    t = 56/r

    r = 4

    t = 56/4

    t = 14 mins
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