Japheth has 119 beads and Xavier has 258 beads. How many beads must Xavier give to Japheth so that Japheth will have 101 less beads than Xavier?
|
Japheth |
Xavier |
Total |
Before |
119 |
258 |
377 |
Change |
+ ? |
- ? |
|
After |
1 u |
1 u + 101 |
377 |
The total number of beads remains unchanged after Xavier gives to Japheth.
Total number of beads
= 119 + 258
= 377
Total number of beads in the end
= 1 u + 1 u + 101
= 2 u + 101
2 u + 101 = 377
2 u = 377 - 101
2 u = 276
1 u = 276 ÷ 2 = 138
Number of beads that Xavier must give to Japheth
= 138 - 119
= 19
Answer(s): 19