Question

The cost of a dozen pens is Rs. 40. Then the cost of 3 pens is ________.​

Answer 1

Answer:

10 rupees

Step-by-step explanation:

Cost of 12 pen = 40

cost of 1 pen = 40/12 = 3.3

3.3 = 30/9

Cost of 3 pen = 30/9 × 3 = 90/9 = 10 Rupees

Answer 2

Given

• The cost of a dozen pens is Rs. 40. Then the cost of 3 pens is ________.

To Find

• Cost of 3pens

Solution

We Know,

Cost of dozen pens is Rs. 40 so Firstly we will find cost of 1 pen.

So,

40÷12=3.33

3.33×3 =9.99

Therefore

The cost of a dozen pens is Rs. 40. Then the cost of 3 pens is Rs. 9.99