//3.9 clc; AH=5*1/2; printf("AH passed in 30 minuties=%.1f percent",AH) V_assumed=0.51*1000/AH; V_actual=200; Error=V_actual-V_assumed; Correction=-Error; Cor=Correction*100/V_actual; printf("\nCorrection required=%.1f percent",Cor)