Question

06. The Cost of 8 notebooks is Rs 40. Find the cost of 12 notebooks.
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Answer 1

Answer:

60

Step-by-step explanation:

cost of 1 notebook= 40/8

cost of 12 notebook = 40/8 × 12

Answer 2

Given: The cost of 8 notebooks is Rs. 40.

To find: The cost of 12 notebooks.

Solution:

• In order to calculate the cost of one notebook, first the cost of a single notebook is to be calculated.
• To find the cost of a single notebook, the following calculations are done,

       $\frac{40}{8} = 5$

• Now, this means that the cost of a single notebook is Rs. 5.
• Now, the cost of 12 notebooks is calculated as,

       $12 * 5 = 60$

Therefore, the cost of 12 notebooks is Rs. 60.