The price of 4 notebooks and7 pen is 115 rupees
and the price of 4 notebooks and 2 pen
is 90 rupees What in the price of a notebook and
what is the price of a pen?
Answers
Step-by-step explanation:
The cost of 4 pens, 6 notebooks and 9 files is Rs 305. The cost of 3 pens, 4 notebooks and 2 files are Rs 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?
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7 Answers

Ramaswami Krishnaswami, former Retired Professor at KSR College of Arts and Science, Tiruchengode (2004-2013)
Answered March 25
Let “p" stands for pens.
Let “nb" stands for note books.
Let “f" stands for files.
Given:—
4p + 6 nb + 9f = Rs 305……..(1)
3p + 4 nb + 2f = Rs 145……..(2)
(1) — (2 ) p + 2nb + 7f = Rs 160…….(3)
(1) + (2 ) 7p + 10 nb + 11f = Rs 450…(4)
(1) + (3) 5p + 8 nb + 16f = Rs 465
Answer:-
5 pens 8 notebooks and 16 files cost:— Rs 465
hope it helps....
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Step-by-step explanation:
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