Question

ss - VIII
The price of a book and a pen is
20 rupees. The price of the book is
4 rupees more than the price of the
pen. If one more pen is bought, what
would be the total cost?​

Answer 1

Answer:

let the cost of pen be x

then the cost of book will be x+4

total cost = x + (x+4)

20 = 2x +4

8 = x

cost of pen = 8

if 1 more cost of pen will be = 20 + 8 = 28Rs

Answer 2

ans= 8 rupee

let consider the price of pen be X

then the price of book be X+4,

then,

X+X+4=20

X=8

ten the price of one pen is 8 rupee