Seth had 504 marbles and Ivory had 264 marbles. After Seth gave Ivory some marbles, both of them have the same number of marbles. How many marbles did Seth give Ivory?
|
Seth |
Ivory |
Difference |
Before |
504 |
264 |
240 |
Change |
- ? |
+ ? |
|
After |
1 u |
1 u |
0 |
The total number of marbles remains unchanged after Seth gave Ivory some marbles.
The number of marbles that each had in the end is the same.
Number of more marbles that Seth had than Ivory
= 504 - 264
= 240
Number of marbles that Seth gave Ivory
= 240 ÷ 2
= 120
Answer(s): 120