There were some coins in Bag N and Bag P. After Bobby transferred
34 of the coins from Bag N to Bag P, the ratio of the number of coins in Bag N to that in Bag P changed to 2 : 9. Find the ratio of the numbers of coins in Bag N to the number of coins in Bag P at first.
|
Bag N |
Bag P |
Before |
4x2 = 8 u |
3 u |
Change |
- 3x2 = - 6 u |
+ 6 u |
After |
1x2 = 2 u |
|
Comparing Bag N and Bag P in the end |
2x1 = 2 u |
9x1 = 9 u |
The number of coins in Bag N in the end is repeated. Make the number of coins in Bag N in the end the same. LCM of 1 and 2 is 2.
At first
Bag N : Bag P
8 : 3
Answer(s): 8 : 3