Question

. The cost of a pen is one more than twice the cost of a
pencil. If the cost of 2pencils and one pen is 21 find the cost
of 1 pen and 1 pencil.​

Answer 1

Answer:

pen =11Rs.

pencil= 5

hope it helps

Answer 2

Step-by-step explanation:

let the cost of a pencil be x.

So, the cost of a pen =2x+1

ATQ,

2x+2x+1=21

4x+1=21

4x=21-1

4x=20

x=20/4

x=5

So, cost of a pencil = x = 5

cost of a pen = 2x+1

= 10 + 1

= 11

Hope it helps you pls mark me as brainlist