Vaidev had 488 marbles and Mary had 258 marbles. After Vaidev gave Mary some marbles, both of them have the same number of marbles. How many marbles did Vaidev give Mary?
|
Vaidev |
Mary |
Difference |
Before |
488 |
258 |
230 |
Change |
- ? |
+ ? |
|
After |
1 u |
1 u |
0 |
The total number of marbles remains unchanged after Vaidev gave Mary some marbles.
The number of marbles that each had in the end is the same.
Number of more marbles that Vaidev had than Mary
= 488 - 258
= 230
Number of marbles that Vaidev gave Mary
= 230 ÷ 2
= 115
Answer(s): 115