Question

The cost of 2 pencils and 5 pens is Rs.17,two pencils and 3pens of the same rate is Rs.11. Find out the prices of a pencil and a pen. ​

Answer 1

Step-by-step explanation:

cost of 2 pencils 5 pens = 17

cost of 2 pencils 3 pens = 11

in the second sum there is two pens less than the first sum

Rs. 17-11

Rs. 6

6/2

3

it means cost of a pen = Rs. 3

then 5 pens cost= 15

there is 2 pencils left

so, 17-15

= 2

this means a pencil costs 1 rupee

cost of a pen is 3rs

cost of a pencil is 1 rupee

Answer 2

Step-by-step explanation:

the cost of 2 pencils and 5 pens=Rs.17

the cost of 2 pencils and 3 pens =Rs.11

the cost of 2 pen=Rs.17-11

=Rs.6

the cost of 1 pen=Rs.6/2

=Rs.3

the cost of 2 pencils =Rs.17-(5*3)

=Rs.17-15

=Rs.2

the cost of 1 pencil=Rs.2/2

=Rs.1

Hence,the cost of 1 pencil is Rs.1 and the cost of 1 pen is Rs.3.

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