Question

two pen and one eraser costs $35 an 3 pencil and four erasers cost $65. find the cost of each pencil and erser

Answer 1

Step-by-step explanation:

let no of pen or pencil whatever in real question and eraser be x and y resp.

then ATQ

2x+y=$35......(1)

and

3x+4y=$65......(2)

multiply (1) by 4 we get

8x+4y=$140 .......(3)

on (3) - (2) we get

5x = 75

x = $15

on putting x=$15 in (1)

y = 35-30 = $5

cost of pen or pencil whatever in real question = $15

cost of eraser = $5

(if in question their is 2pen in case 1 and 3pen in case 2 or 2pencil in case 1 and 3pencil in case 2)

CHECK THE REAL QUESTION

Answer 2

○Refer to the given attachment...○

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