Oliver has 328 chocolate bars and Zeph has 722 chocolate bars. How many chocolate bars must Zeph give to Oliver so that Oliver will have four times as many chocolate bars as Zeph?
|
Oliver |
Zeph |
Total |
Before |
328 |
722 |
1050 |
Change |
+ ? |
- ? |
|
After |
4 u |
1 u |
5 u |
Total number of chocolate bars
= 328 + 722
= 1050
Total number of chocolate bars
= 4 u + 1 u
= 5 u
5 u = 1050
1 u = 1050 ÷ 5 = 210
Number of chocolate bars that Zeph must give Oliver
= 722 - 210
= 512
Answer(s): 512