Owen had 512 marbles and Sabrina had 334 marbles. After Owen gave Sabrina some marbles, both of them have the same number of marbles. How many marbles did Owen give Sabrina?
|
Owen |
Sabrina |
Difference |
Before |
512 |
334 |
178 |
Change |
- ? |
+ ? |
|
After |
1 u |
1 u |
0 |
The total number of marbles remains unchanged after Owen gave Sabrina some marbles.
The number of marbles that each had in the end is the same.
Number of more marbles that Owen had than Sabrina
= 512 - 334
= 178
Number of marbles that Owen gave Sabrina
= 178 ÷ 2
= 89
Answer(s): 89