Archie and Jean shared some coins equally. After Jean bought 40 coins and Archie gave 161 coins away, they had 347 coins left. How many coins did each of them have at first?
| |
Archie |
Jean |
Total |
| Before |
1 u |
1 u |
|
| Change |
+ 40 |
- 161 |
|
| After |
1 u + 40 |
1 u - 161 |
347 |
Archie and Jean had the same number of coins at first.
Total number of coins in the end
= 1 u + 40 + 1 u - 161
= 1 u + 1 u + 40 - 161
= 2 u - 121
2 u - 121 = 347
2 u = 347 + 121
2 u = 468
1 u = 468 ÷ 2 = 234
Number of coins that each of them had at first
= 1 u
= 234
Answer(s): 234
