Question

The cost of 9 exercise book is rupees 135. What is the cost of 20 such books

Answer 1

Step-by-step explanation:

300

Answer 2

Question :-

The cost of 9 exercise book is rupees 135. What is the cost of 20 such books?

Solution :-

Cost Of 9 Books = 135 Rupees

Then ,  Cost of 1 book = 135/9 = 15 rupees

Now ,

Cost of 20 Books = 20 ( Cost of 1 book ) = 20 x  15 = 300 Rupees

Answer :-

The cost of 20 books is Rupees 300 .

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