Ken has 228 beads and Caden has 449 beads. How many beads must Caden give to Ken so that Ken will have 135 less beads than Caden?
|
Ken |
Caden |
Total |
Before |
228 |
449 |
677 |
Change |
+ ? |
- ? |
|
After |
1 u |
1 u + 135 |
677 |
The total number of beads remains unchanged after Caden gives to Ken.
Total number of beads
= 228 + 449
= 677
Total number of beads in the end
= 1 u + 1 u + 135
= 2 u + 135
2 u + 135 = 677
2 u = 677 - 135
2 u = 542
1 u = 542 ÷ 2 = 271
Number of beads that Caden must give to Ken
= 271 - 228
= 43
Answer(s): 43