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31 March, 23:09

Janice is studying the effect of pipe size on water flow rates. In

12 minutes, 463.2 gallons of water flowed from a 2-inch pipe. In

7 minutes, 1730.4 gallons of water flowed from a 4-inch pipe.

Based on Janice's data, what is the difference in flow rate

between a 2-inch and 4-inch pipe?

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Answers (1)
  1. 31 March, 23:58
    0
    208.6 gal/min

    Step-by-step explanation:

    For 2" pipe,

    Given Volume = 463.2 gal, time = 12 min

    flow rate for 2" pipe

    = Volume : time

    = 463.2:12

    = 38.6 gal/min

    For 4" pipe,

    Given Volume = 1730.4 gal, time = 7 min

    flow rate for 4" pipe

    = Volume : time

    = 1730.4:7

    = 247.2 gal/min

    Difference in flow rate = 247.2 - 38.6 = 208.6 gal/min
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