Question

the price of 3 bags and 2 notebooks is rupees 450 and price of 5 bags and 3 books is rupees 700, then find the price of 4 books.

A.800
B.500
C.300
D.200​

Answer 1

Step-by-step explanation:

Given total cost of 5 pens and 10 pencil = Rs 30

5 pens + 10 pencils = 30

pens + 2 pencils = 1

also given pen cost 3 more than a pencil

i.e, pen = 3 + pencil.

pen - pencil = 3

pens + 2 pencils = 6

_______________

-3 pencils = -3

pencils = 1

pen - 1 = 3

pen = 4

cost of pencils = 1 cost of pen = 4