Study the following information carefully and answer the questions.
The given table shows the information about the total number of tiles and percentage of brown tiles manufactured by five different companies – A, B, C, D and E as well as the ratio of sold to unsold white tiles. The statements below give details about the number of sold brown tiles and unsold brown tiles. Each company manufactured only two colours of tiles only.
|
Company |
Total number of tiles |
Percentage of brown tiles |
Ratio of sold to unsold white tiles |
|
A |
6000 |
40 |
2:1 |
|
B |
5000 |
55 |
7:2 |
|
C |
8000 |
45 |
4:1 |
|
D |
4500 |
50 |
3:2 |
|
E |
7500 |
70 |
2:1 |
Note: The ratio of sold brown tiles to unsold brown tiles of company C is the same as the ratio of sold to unsold white tiles of company C. The ratio of sold to unsold brown tiles of company B is the same as the ratio of sold to unsold white tiles of company D. The number of unsold brown tiles of company A is 25% of the total number of brown tiles manufactured by company A. 70% of the total brown tiles manufactured by company D are sold, and the number of unsold brown tiles of company E is 2250.
Find the difference between the total number of unsold white tiles of all the companies and the total number of unsold brown tiles of all the companies.