Question

3 books is { 30. Find the cost of
one dozen books
​

Answer 1

Answer:

3 books cost = 30

Then cost of one book = 10 Rs

Now a dozen = 12 books

12×10= 120

So the cost of one dozen books is 120 Rs

Hope it helps

Happy Learning ✨

Answer 2

Answer:

If cost of 3 books = ₹30

then, 1 book cost =₹$\frac{30}{3}$

So, 12 books cost =₹ $\frac{30}{3}\times12$

=₹120