There were some stickers in Box N and Box P. After Ken transferred
14 of the stickers from Box N to Box P, the ratio of the number of stickers in Box N to that in Box P changed to 2 : 9. Find the ratio of the numbers of stickers in Box P to the number of stickers in Box N at first.
|
Box N |
Box P |
Before |
4x2 = 8 u |
25 u |
Change |
- 1x2 = - 2 u |
+ 2 u |
After |
3x2 = 6 u |
|
Comparing Box N and Box P in the end |
2x3 = 6 u |
9x3 = 27 u |
The number of stickers in Box N in the end is repeated. Make the number of stickers in Box N in the end the same. LCM of 3 and 2 is 6.
At first
Box P : Box N
25: 8
Answer(s): 25: 8