Bela starts with 100 rupees and spends 5 rupees daily. Let the number of days be x. Then 100 minus 5x equals 40. Solving gives x equal to 12. Therefore, she will have 40 rupees after 12 days.
Bela has rupees 100 for pocket money. She spends 5 rupees every day. After how many days will she be left with rupees 40?
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Bela has 100 rupees as pocket money and spends 5 rupees every day. Let the number of days be x. After x days, the amount left with her will be 100 minus 5x rupees. According to the question, she is left with 40 rupees. Therefore, we form the equation 100 minus 5x equals 40. Subtracting 100 from both sides gives minus 5x equals minus 60. Dividing by minus 5 gives x equal to 12. Hence, Bela will have 40 rupees after 12 days.
For more NCERT Solutions for Class 9 Maths Ganita Manjari Chapter 2 Introduction to Linear Polynomials (2026-27):
https://www.tiwariacademy.com/ncert-solutions/class-9/maths/ganita-manjari-chapter-2/