1. A Java book is comprised of two sections core and advanced Java in the ratio 7:2. How much of each type of content will be needed to make a book of 450 pages?

Answers (1)
S safeer

Total the book is divided into 9 parts out of which 7 parts are core and 2 parts are advanced. 

9 part = 450 pages

1 part = 450/9=50 pages

Core part = 7 x 50 =350 pages

Advanced part = 2  x 50 = 100 pages

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