Question

cost of one pencil and a pen is rs 18 cost of pen is 5 times cost of pencil find cost of pencil and pen​

Answer 1

ANSWER :- cost of one pencil = 3 rupees

cost of one pen = 15 rupees

Step-by-step explanation:

let one pencil be x rupees

let one pen be y rupees

according to question-

x+y=18 rupees and y=5x

so, then  5x+x=18

                 6x=18         x=3

                                     y=3*5=15

Answer 2

Answer:

The cost of pencil is Rs 3

The cost of pen is Rs. 15

Step-by-step explanation:

Given information,

The cost of one pencil and pen is Rs. 18 .

The cost of pen is 5 times cost of pencil.

We have to find out the the cost of pencil and pen.

Let, x be the cost of pencil.

So, the cost of pen is 5x.

As, per the given information

$x + 5x = 18$

$6x = 18$

Divide both sides by 6 we get

x = 3

Hence,

The Cost of pencil is Rs. 3

The cost of pen is 5x = 5× 3 = 15