Japheth and Vincent had a total of 108 marbles. Vincent had half as many marbles as Japheth. How many marbles must Japheth give to Vincent so they have an equal number of marbles?
| |
Japheth |
Vincent |
Total |
| Before |
2 u |
1 u |
108 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of marbles at first = 3 u
1 u = 108 ÷ 3 = 36
Japheth and Vincent have an equal number of marbles in the end.
Number of marbles that Vincent has in the end
= 108 ÷ 2
= 54
Number of marbles that Japheth must give to Vincent
= 54 - 36
= 18
Answer(s): 18
