Fresh water flows into tank 1; mixed brine flows from tank 1 into tank 2, from tank 2 into tank 3, and out of tank 3; all at the given flow rate r gallons per minute. The initial amounts x₁ (0)=xo (lb), and x₂ (0) = 0, and x3 (0) = 0 of salt in the three tanks are given, as are their volumes V₁. V₂. and V3. First solve for the amounts of salt in the three tanks at time t, then determine the maximal amount of salt that tank 3 ever contains. Finally, construct a figure showing the graphs of x₁ (t), x₂(t), and x3 (t). r=72, Xo = 60. V₁ =24, V₂ = 18, V3 = 36 x₁ (1)= X₂(t)=[ X3 (1)= The maximum salt ever in tank 3 is pounds. (Round to two decimal places as needed.) Choose the correct graph of x₁ (t). x₂(t), and x3 (1) below. O A. 60 (1) x₂ (1) Q Q G О в. 60-x) xh G О с. 604x, (1) X₂(t) Q G O D. 60(1) x (1) Q Q G
Fresh water flows into tank 1; mixed brine flows from tank 1 into tank 2, from tank 2 into tank 3, and out of tank 3; all at the given flow rate r gallons per minute. The initial amounts x₁ (0)=xo (lb), and x₂ (0) = 0, and x3 (0) = 0 of salt in the three tanks are given, as are their volumes V₁. V₂. and V3. First solve for the amounts of salt in the three tanks at time t, then determine the maximal amount of salt that tank 3 ever contains. Finally, construct a figure showing the graphs of x₁ (t), x₂(t), and x3 (t). r=72, Xo = 60. V₁ =24, V₂ = 18, V3 = 36 x₁ (1)= X₂(t)=[ X3 (1)= The maximum salt ever in tank 3 is pounds. (Round to two decimal places as needed.) Choose the correct graph of x₁ (t). x₂(t), and x3 (1) below. O A. 60 (1) x₂ (1) Q Q G О в. 60-x) xh G О с. 604x, (1) X₂(t) Q G O D. 60(1) x (1) Q Q G
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