The cost of a pen is ₹4 more than cost of a note book. the total cost of 4 pens and 6 note book is ₹106. find the cost of one pen and one note book.
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Answer:₹24
Step-by-step explanation:
Cost of note book=x
Cost of a pen =(x+4).
4(x+4)+6(x)=106
4x+16+6x=106
10x+16=106
10x=90
x=₹9
Cost of note book =₹9
Cost of a pen=₹13(9+4)
Total cost=₹13+₹9
=₹24
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