Adozen of notebooks cost Rs 480. How Much will 7 note book cost? ​

Answer :

Answer: Rs 280

A dozen = 12

12 notebooks --> Rs 480

1 notebooks --> 480/12 =Rs 40

7 notebooks --> 40 * 7 = Rs 280

The cost of 7 notebooks is Rs. 280.

What is the unit cost of a notebook?

In order to determine the unit cost, we would divide 480 by a dozen. A dozen means 12.

Unit cost = Rs 480 / 12 = Rs 40

How Much will 7 note book cost? ​

Cost of 7 notebooks = unit cost x 7

Rs 40 x 7 = Rs. 280

To learn more about unit rate, please check: https://brainly.com/question/21734785