Question

the price of 8 pencils and 15 erasers are Rs. 54 The price of 12 pencils and 6 erasers are Rs 48 . what is the price of 2 pencils and and 2 erasers together​

Answer 1

Step-by-step explanation:

let price of pencil and eraser be x&y

ATQ(according to question)

8x+15y=54

12x+6y= 48 ,

2x+y=8

on substituting method we have

8(8-y)/2+15y=54

32-4y+15y=54

11y=54-32

y=22/11

y=2

then x= 3

so cost of 2 pencil & 2 eraser is 10

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