Eva and Barbara had an equal number of coins at first. After Eva gave 7 coins to Barbara, Barbara had 22 coins. How many coins does Eva have in the end?
| |
Eva |
Barbara |
| Before |
1 u |
1 u |
| Change |
- 7 |
+ 7 |
| After |
1 u - 7 |
22 |
Number of coins that Barbara had at first
= 22 - 7
= 15
1 u = 15
Number of coins that Eva had at first = 15
Number of coins that Eva had in the end
= 1 u - 7
= 15 - 7
= 8
Answer(s): 8
