Question

if 16 notebooks cost 192 how much would 30 notebooks cost ​

Answer 1

Cost of 1 notebook = 192/16

=Rs. 12

Cost of 30 notebooks = 12 X 30

= 360

Answer 2

According to the question,

Cost of 16 notebook=₹192

So,

Cost of 1 notebook=192÷16

=₹12

Now,By Unitary Meathod.

Cost of 1 Notebook=₹12

So,

Cost of 30 notebooks=12×30

=₹360

So, Cost of 30 Notebooks are ₹360

Hope this helps.....