Question

Find the cost of 30 notebook at the rate of RS 20 per dozen

Answer 1

Answer:

30 notebooks = 30/12 = 2.5 dozen of notebooks.

Cost of 1 dozen = 20Rs

Cost of 2.5 dozens = 20 × 2.5 = 50Rs

Answer :- The cost of 30 notebooks is 50Rs.

Answer 2

Answer:

₹50

Step-by-step explanation:

1 dozen -12

therefore, cost of 1 notebook

₹20/12

and cost of 30notebook

₹20/12*30

₹50