Question

the cost of 3 pens and a file cover is 72 if the cost of the file cover is 18 find the cost of one
​

Answer 1

Refer To The Attachment

Answer 2

Here is ur ans

Let the cost of pen be x and notebook be y

Acc to question

3x+y=72

Here y=18

So 3x=72-y

3x=72 -18

3x=54

x=18========Ans======>>>♫♫

βeβγainly

✌✌❤