Harry and Opal shared some coins equally. After Opal bought 27 coins and Harry gave 50 coins away, they had 249 coins left. How many coins did each of them have at first?
| |
Harry |
Opal |
Total |
| Before |
1 u |
1 u |
|
| Change |
+ 27 |
- 50 |
|
| After |
1 u + 27 |
1 u - 50 |
249 |
Harry and Opal had the same number of coins at first.
Total number of coins in the end
= 1 u + 27 + 1 u - 50
= 1 u + 1 u + 27 - 50
= 2 u - 23
2 u - 23 = 249
2 u = 249 + 23
2 u = 272
1 u = 272 ÷ 2 = 136
Number of coins that each of them had at first
= 1 u
= 136
Answer(s): 136
