Ian and Nick had a total of 144 beads. Nick had half as many beads as Ian. How many beads must Ian give to Nick so they have an equal number of beads?
| |
Ian |
Nick |
Total |
| Before |
2 u |
1 u |
144 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of beads at first = 3 u
1 u = 144 ÷ 3 = 48
Ian and Nick have an equal number of beads in the end.
Number of beads that Nick has in the end
= 144 ÷ 2
= 72
Number of beads that Ian must give to Nick
= 72 - 48
= 24
Answer(s): 24
