A tank initially holds 100 gal of a brine solution containing 20 lb of salt. At t=0, fresh water is poured into the tank at the rate of 5 gal/min, while the well-stirred mixture leaves the tank at the same rate. Find the amount of salt in the tank at t= 5 mins. Select the correct response: None 9.45 lb. 15.58 lb. 12.13 Ib.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A tank initially holds 100 gal of a brine solution containing 20 Ib of salt. At t=0, fresh
water is poured into the tank at the rate of 5 gal/min, while the well-stirred mixture leaves
the tank at the same rate. Find the amount of salt in the tank at t= 5 mins.
Select the correct response:
None
9.45 lb.
15.58 Ib.
12.13 lb.
Transcribed Image Text:A tank initially holds 100 gal of a brine solution containing 20 Ib of salt. At t=0, fresh water is poured into the tank at the rate of 5 gal/min, while the well-stirred mixture leaves the tank at the same rate. Find the amount of salt in the tank at t= 5 mins. Select the correct response: None 9.45 lb. 15.58 Ib. 12.13 lb.
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