Question

The cost of 2 notebooks is cost 45 Rs what is the cost of 8 notebooks ​

Answer 1

cost of 2 notebooks = Rs 45

cost of 1 notebook = 45÷2 = 22.5

cost of 8 notebooks = 8 ×22.5

= Rs.180

Answer 2

The cost of 8 notebooks = Rs. 80

Given :

The cost of 2 notebooks is cost Rs. 45

To find :

The cost of 8 notebooks

Solution :

Step 1 of 2 :

Find cost of one notebook

Here it is given that cost of 2 notebooks is cost Rs. 45

So cost of one notebook

= Rs. 45/2

= Rs. 22.5

Step 2 of 2 :

Find cost of 8 notebooks

The cost of 8 notebooks

= 8 × The cost of one notebook

= 8 × Rs. 22.5

= Rs. 180

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