Question

The total cost of a book and a pen is Rs210. If the cheaper than the book by Rs90. find the cost of each item.​

Answer 1

Step-by-step explanation:

B+P=210...(1)

if cost of pen lesser than book, P= B- 90

B-P = 90...(2)

from (1) &(2),

2B= 300

B=150

210-150=60=P

P =60

B=150

Answer 2

this is the step by step explanation that how to do it on notebook.