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Question
Lakshmi bought bread for Rs(7x+9) and butter for Rs(3x−5). she gave a Rs100 note. How much will she get back if x=2.
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Solution
Price of Bread =7x+9Price of Butter =3x−5
Money lakshmi had =100Rs
The Amount Returned to her will be = Money She had - (Sum of Price of Products)=100−[(7x+9)+(3x−5)]=100−[10x+4]=100−10x−4=Rs. 96−10x
Therefore,She will get back (96−10×2)=76Rs
Price of Bread =7x+9
Price of Butter =3x−5
Money lakshmi had =100Rs
The Amount Returned to her will be = Money She had - (Sum of Price of Products)
=100−[(7x+9)+(3x−5)]=100−[10x+4]=100−10x−4=Rs. 96−10x
Therefore,She will get back (96−10×2)
=76Rs
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