Glen has 317 chocolate bars and Ethan has 718 chocolate bars. How many chocolate bars must Ethan give to Glen so that Glen will have twice as many chocolate bars as Ethan?
|
Glen |
Ethan |
Total |
Before |
317 |
718 |
1035 |
Change |
+ ? |
- ? |
|
After |
2 u |
1 u |
3 u |
Total number of chocolate bars
= 317 + 718
= 1035
Total number of chocolate bars
= 2 u + 1 u
= 3 u
3 u = 1035
1 u = 1035 ÷ 3 = 345
Number of chocolate bars that Ethan must give Glen
= 718 - 345
= 373
Answer(s): 373