Julian and Eric had a total of 30 beads. Eric had half as many beads as Julian. How many beads must Julian give to Eric so they have an equal number of beads?
| |
Julian |
Eric |
Total |
| Before |
2 u |
1 u |
30 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of beads at first = 3 u
1 u = 30 ÷ 3 = 10
Julian and Eric have an equal number of beads in the end.
Number of beads that Eric has in the end
= 30 ÷ 2
= 15
Number of beads that Julian must give to Eric
= 15 - 10
= 5
Answer(s): 5
