Question

the total cost of 3 pens and 4 pencils is rupees 23 and the total cost of 2 pens and 3 pencils is rupees 16 find the cost of a pen and pencil​

Answer 1

Answer:

Cost of Pen is Rs.5

Cost of Pencil is Rs.2

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Answer 2

Answer:

cost of pen = 5

cost on pencil = 2

Step-by-step explanation:

Let cost of 1 pen = x rs

Let cost of 1 pencil = y rs

ACCORDING TO QUESTION :

3x + 4y = 23 => 6x + 8y = 46 -1eq.

&

2x + 3y = 16 => 6x + 9y = 48 -2eq.

subtracting 1 from 2 we get ,

y = 2 rs

therefore x = 5 rs

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