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diff --git a/629/CH5/EX5.4/ex5_4.txt b/629/CH5/EX5.4/ex5_4.txt
new file mode 100644
index 000000000..97260e151
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+++ b/629/CH5/EX5.4/ex5_4.txt
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+ 
+The rate of water accumulating in the tank = 14.5 kg/s.
+\ No newline at end of file
diff --git a/629/CH5/EX5.4/example5_4.sce b/629/CH5/EX5.4/example5_4.sce
new file mode 100644
index 000000000..263b0d244
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+++ b/629/CH5/EX5.4/example5_4.sce
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+clear
+clc
+//Example 5.4 MASS ACCUMULATION IN A TANK
+A=0.0025; //area[m^2]
+V=7; //velocity[m/s]
+rho=1000; //density[kg/m^3]
+mi=rho*V*A //inlet mass flow rate[kg/s]
+Q=0.003; //[m^3/s]
+mo=rho*Q //outlet mass flow rate[kg/s]
+//Continuity equation, mcv+mo-mi=0
+mcv=mi-mo //accumulation rate[kg/s]
+printf("\nThe rate of water accumulating in the tank = %.1f kg/s.\n",mcv)
+\ No newline at end of file