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+//Chapter 14: Water Treatment
+//Problem: 2
+clc;
+
+//Declaration of Variables
+wt1 = 9.3 //in mg/L
+wt2 = 17.4 //in mg/L
+wt3 = 8.7 //in mg/L
+wt4 = 12.6 //in mg/L
+
+//Solution
+temp_h = wt1 * 100 / 146 + wt2 * 100 / 162         //where temp_h is temporary hardness
+perm_h = wt3 * 100 / 95 + wt4 * 100 / 136         //where perm_h is permanent hardness
+total_h = temp_h + perm_h                         //where total_h is total hardness
+
+mprintf("Temporary hardness: %.2f mg/L\n",temp_h)
+mprintf(" Total hardness: %.2f mg/L",total_h)