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ICSE Class 7 Answered

every month a man spends 72% of his income and saves rs. 12600.find his monthly salary and monthly expenses.  
Asked by shifasab15052001 | 28 Aug, 2019, 04:44: PM
Expert Answer
 
begin mathsize 16px style Let space the space monthly space salary space be space Rs. space straight x. According space to space the space condition comma space we space get straight x space minus space 72 percent sign space of space straight x space equals space 12600 rightwards double arrow straight x space minus space fraction numerator 72 straight x over denominator 100 end fraction space equals space 12600 rightwards double arrow 100 straight x space minus space 72 straight x space equals space 12600 cross times 100 rightwards double arrow space straight x space equals space fraction numerator 12600 cross times 100 over denominator 28 end fraction rightwards double arrow straight x space equals space 45000 Monthly space salary space equals space Rs. space 45000 space and space Savings space equals space 72 percent sign space of space 45000 space equals space 72 over 100 cross times 45000 space equals space Rs. space 32 comma 400 end style
Answered by Yasmeen Khan | 28 Aug, 2019, 05:48: PM

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