Question

if 100 books cost is 1000 rupees how many books can be purchased for 425 rupees

Answer 1

Price of 100 books = 1000 RS

Price of one book = 1000/100
= 10 RS

So we have to find that number of books in 425 RS

Number of books = 425/10
= 42.5

That is the number of books we can purchased in 425 RS.

Hope it will help you

Answer 2

100×425=1000×X
cancel the number which goes in same table
the answer is 42.5