Question

Laiba bought 15 notebooks in Rs 1500.find the cost of 31 such notebooks

Answer 1

Answer: rupees. 3100

Step-by-step explanation:

cost of 15 books = 1500

cost of 1 book = 1500/15= 100

thus cost of 31 books = 31*100

= 3100

Answer 2

$\huge\red{HELLO\:MATE}$


Cost of 15 notebooks =₹1500.


Cost of 1 notebook =₹1500/15=₹100.

Therefore cost of 31 such notebooks =₹31×100=₹3100