arithmetic
posted by Raj c .
A man spend 75% of his income. when his income is increse by 20%. He increse his expenditure 10% . By what percent are his saving increse ?

arithmetic 
bobpursley
Original income= I
.25I=Savings original
.15(I*1.20)=new savings.
percent increase= (Newold)/old * 100
= (.18I.25I)/.25I * 100
It appears his savings decreased.
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