There were some beads in Bag V and Bag W. After Reggie transferred
15 of the beads from Bag V to Bag W, the ratio of the number of beads in Bag V to that in Bag W changed to 2 : 9. Find the ratio of the numbers of beads in Bag V to the number of beads in Bag W at first.
|
Bag V |
Bag W |
Before |
5x1 = 5 u |
17 u |
Change |
- 1x1 = - 1 u |
+ 1 u |
After |
4x1 = 4 u |
|
Comparing Bag V and Bag W in the end |
2x2 = 4 u |
9x2 = 18 u |
The number of beads in Bag V in the end is repeated. Make the number of beads in Bag V in the end the same. LCM of 4 and 2 is 4.
At first
Bag V : Bag W
5 : 17
Answer(s): 5 : 17