Question

Two pens and three pencils cost is.89.four pens and one pencil cost rs.103.what is the difference between the cost of a pen and
a pencil?

Answer 1

Answer:

Rs 5

Step-by-step explanation:

pen price =x

pencil Price = y

2x + 3y. = 89

4x + y = 103

multiply 1 by 2

4x + 6y = 178

reducind 2 from it

5y = 75

y = 15

4x + 15 = 103

4x = 88

x = 22

x - y = 22-17 = 5