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+// Example 17_4
+clc;funcprot(0);
+// Given data
+e=10.5;// MJ
+C=45/100;// MJ/kg
+P=15.0/100;// MJ/kg
+F=40.0/100;// MJ/kg
+
+// Calculation
+// (a)
+e_C=4.20;// MJ/kg meal
+e_P=8.40;// MJ/kg meal
+e_F=33.1;// MJ/kg meal
+e_avgMeal=(C*e_C)+(P*e_P)+(F*e_F);// MJ/kg meal
+// (b)
+mdot_avgMeal=(e/e_avgMeal)*2.187;// lbm of average meal/day
+printf("\n(a)The specific energy content of an average meal with natural state foods,e_avg meal=%2.1f MJ/kg meal \n(b)The total mass of an average meal,mdot_avg meal=%1.1f lbm of average meal/day",e_avgMeal,mdot_avgMeal);