A stationery shop has notebooks in two colours - red and blue.The total cost of five red and six blue notebooks is ₹335.The cost of a blue notebook is ₹10 more than that of a red notebook.What is the price of a red notebook?
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Blue notebook =y
Red notebook =x
5x+6y=335
Y=x+10
5x+(6(x+10))=335
5x+6x+60=335
11x+60=335
11x=335-60
11x=275
x=275/11
x=25
So Costa of 1 red notebook =25
Red notebook =x
5x+6y=335
Y=x+10
5x+(6(x+10))=335
5x+6x+60=335
11x+60=335
11x=335-60
11x=275
x=275/11
x=25
So Costa of 1 red notebook =25
Sudarshanhl:
Thx
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25is the cost of a red notebook
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