Vincent and Daniel had a total of 126 beads. Daniel had half as many beads as Vincent. How many beads must Vincent give to Daniel so they have an equal number of beads?
| |
Vincent |
Daniel |
Total |
| Before |
2 u |
1 u |
126 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of beads at first = 3 u
1 u = 126 ÷ 3 = 42
Vincent and Daniel have an equal number of beads in the end.
Number of beads that Daniel has in the end
= 126 ÷ 2
= 63
Number of beads that Vincent must give to Daniel
= 63 - 42
= 21
Answer(s): 21
