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diff --git a/1553/CH10/EX10.20/10Ex20.sce b/1553/CH10/EX10.20/10Ex20.sce
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+//chapter 10 Ex 20
+
+clc;
+clear;
+close;
+spends=75/100; inc=20/100; expPercent=10/100;
+original=100;
+expAmt=original*spends;
+saving=original-expAmt;
+newIncome=original*(1+inc);
+newExp=(1+expPercent)*expAmt;
+newSaving=newIncome-newExp;
+incSaving=newSaving-saving;
+incPercent=(incSaving/(1-spends));
+mprintf("The increase in percentage is %d percent",incPercent);