There were some coins in Packet S and Packet T. After Ahmad transferred
34 of the coins from Packet S to Packet T, the ratio of the number of coins in Packet S to that in Packet T changed to 2 : 7. Find the ratio of the numbers of coins in Packet T to the number of coins in Packet S at first.
|
Packet S |
Packet T |
Before |
4x2 = 8 u |
1 u |
Change |
- 3x2 = - 6 u |
+ 6 u |
After |
1x2 = 2 u |
|
Comparing Packet S and Packet T in the end |
2x1 = 2 u |
7x1 = 7 u |
The number of coins in Packet S in the end is repeated. Make the number of coins in Packet S in the end the same. LCM of 1 and 2 is 2.
At first
Packet T : Packet S
1: 8
Answer(s): 1: 8