Paul has 114 beads and Tommy has 430 beads. How many beads must Tommy give to Paul so that Paul will have 106 less beads than Tommy?
|
Paul |
Tommy |
Total |
Before |
114 |
430 |
544 |
Change |
+ ? |
- ? |
|
After |
1 u |
1 u + 106 |
544 |
The total number of beads remains unchanged after Tommy gives to Paul.
Total number of beads
= 114 + 430
= 544
Total number of beads in the end
= 1 u + 1 u + 106
= 2 u + 106
2 u + 106 = 544
2 u = 544 - 106
2 u = 438
1 u = 438 ÷ 2 = 219
Number of beads that Tommy must give to Paul
= 219 - 114
= 105
Answer(s): 105