Given:
2002 sold 1000 paperback books and 1500 hardback books for a total of 2,500 books.
2003 sold 15% more paperback books and 5% more hardback books.
1000 x 1.15 = 1,150 paperbacks
1500 x 1.05 = 1,575 hardbacks
1150 + 1575 = 2,725
2,725 - 2,500 = 225
225 / 2,500 = 0.09
0.09 x 100% = 9% choice C
I cant see the model but 2/3 is the same as 4/6
Answer:
1. 23/20 or 1 whole and 3/20
2. 3/10
3. 4/3 or 1 whole and 1/3
4. 1/15
5. 1/2
6. 3/10