Fabian and Charlie had a total of 102 erasers. Charlie had half as many erasers as Fabian. How many erasers must Fabian give to Charlie so they have an equal number of erasers?
| |
Fabian |
Charlie |
Total |
| Before |
2 u |
1 u |
102 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of erasers at first = 3 u
1 u = 102 ÷ 3 = 34
Fabian and Charlie have an equal number of erasers in the end.
Number of erasers that Charlie has in the end
= 102 ÷ 2
= 51
Number of erasers that Fabian must give to Charlie
= 51 - 34
= 17
Answer(s): 17
