Question

The price of 3 pencils and 4 pens is 29 rupees. The price
of 7 pencils and 5 pens of the same type is 43 ru-
pees. What is the price of a pencil and that of a pen?
​

Answer 1

Step-by-step explanation:

let cost of pen be x

and cost of one pencil be y

now 3y +4x=29. eq-(1)

and 7y+5x =43. eq (2)

Answer 2

Step-by-step explanation:

let price of one pencil be x

let price of one pen be y

so,

3x+4y=29

7x+5y=43

solving x and y we get,

x=2 and y =5

so price of one pencil is 2 and price of one pen is 5

hope u understood

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