9768 #54

Forum for the GRE subject test in mathematics.
YKM
Posts: 45
Joined: Mon Aug 08, 2011 10:25 am

9768 #54

Postby YKM » Mon Aug 08, 2011 10:42 am

Dear all,

Can anyone show me the solution?

Thanks

hadimotamedi
Posts: 34
Joined: Thu Dec 30, 2010 4:36 am

Re: 9768 #54

Postby hadimotamedi » Sun Aug 14, 2011 6:20 am

At the steady state, the volume of water in the tank is :
V=10*10*h 'cubic foot'
dV/dt=1-0.25h=0 => h=4 'foot'
=> V (steady state) = 400 'cubic foot'




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