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21 January, 18:50

A cone shaped funnel has a radius of 3 inches and a height of 7 inches.

Betty closes the nozzle of the funnel and fills it completely with a liquid. She then opens the nozzle. If the liquid drips at the rate of 14 cubic inches per minute, how long will it take for all the liquid in the funnel to pass through the nozzle? (Use π = 3.14.)

A) 4.71 minutes

B) 3.14 minutes

C) 14.13 minutes

D) 9.42 minutes

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Answers (1)
  1. 21 January, 19:15
    0
    V=Pi*r^2*h

    = Pi (3*3) * 7/3 = 4.71

    Answer A
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