Ethan had 505 coins and Zara had 317 coins. After Ethan gave Zara some coins, both of them have the same number of coins. How many coins did Ethan give Zara?
|
Ethan |
Zara |
Difference |
Before |
505 |
317 |
188 |
Change |
- ? |
+ ? |
|
After |
1 u |
1 u |
0 |
The total number of coins remains unchanged after Ethan gave Zara some coins.
The number of coins that each had in the end is the same.
Number of more coins that Ethan had than Zara
= 505 - 317
= 188
Number of coins that Ethan gave Zara
= 188 ÷ 2
= 94
Answer(s): 94