Billy had 469 beads and Lucy had 359 beads. After Billy gave Lucy some beads, both of them have the same number of beads. How many beads did Billy give Lucy?
|
Billy |
Lucy |
Difference |
Before |
469 |
359 |
110 |
Change |
- ? |
+ ? |
|
After |
1 u |
1 u |
0 |
The total number of beads remains unchanged after Billy gave Lucy some beads.
The number of beads that each had in the end is the same.
Number of more beads that Billy had than Lucy
= 469 - 359
= 110
Number of beads that Billy gave Lucy
= 110 ÷ 2
= 55
Answer(s): 55