Saved Bookmarks
| 1. |
The sum of the ages of two friends is 74 aFter 1 year the ratio will be 9:10.what was the ratio 9years ago |
|
Answer» Answer: The sum of the AGES of two FRIENDS is 74. After one year the ratio of their ages will be 9:10. What was the ratio of their ages NINE years ago? Solution: The sum of the ages of two friends is 74, this year. Next year, the sum = 76. If one is 9x the other is 10x, next year. 9x+!0x =19x = 76, or X = 4 Next year their ages will be 36 and 40. Nine years ago the ratio of their ages was 26:30 or 13:15. Answer. |
|