Question

if 18 notebooks cost Rs.333 , how many notebooks can be purchased for Rs.425.50

Answer 1

Cost of 18 books = 333

cost of one book = 333/18=18.5

no. of. books can be purchased in Rs 425.50

===》425.50 / 18.5 = 23

therefore 23 books can be purchased.

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Answer 2

Answer:

23

Step-by-step explanation

18 book cost 333

So cost of one book =333/18

That is =18/333

= 18.5.

So now we have cost of one book let's find how many books can be bought for 425.5

There are two methods

First one is try and error method keep multiplying number ahead of 18 this is a long method.

Second one is divide

425.5/18.5

=23.

Hope you understand.