Question

school library has a 1500 book in the year 2011 in 2012 the number of book increased in the ratio 1 ratio 2 in 1 in 2013 the number of bouquet for the increased in the ratio 2 ratio 5 find the number of book in the year 2013

Answer 1

Answer:

There are 7500 books in 2013.

Step-by-step explanation:

Ratio of books in 2011 : 2012 = 1 : 2 (Given)

Find the number of books in 2012:

Number of books in 2011 = 1500 (Given)

Let x be the constant ratio:

Ratio of books in 2011 : 2012 = 1x : 2x

1x = 1500

2x = 1500 x 2 = 3000

Find the number of books in 2013:

Ratio of books in 2012 : 2013 = 2 : 5

Let x be the constant ratio:

Ratio of books in 2012 : 2013 = 2x : 5x

2x = 3000 (found earlier)

x = 1500

5x = 1500 x 5 = 7500 books

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