Bobby has 356 lollipops and Justin has 764 lollipops. How many lollipops must Justin give to Bobby so that Bobby will have six times as many lollipops as Justin?
|
Bobby |
Justin |
Total |
Before |
356 |
764 |
1120 |
Change |
+ ? |
- ? |
|
After |
6 u |
1 u |
7 u |
Total number of lollipops
= 356 + 764
= 1120
Total number of lollipops
= 6 u + 1 u
= 7 u
7 u = 1120
1 u = 1120 ÷ 7 = 160
Number of lollipops that Justin must give Bobby
= 764 - 160
= 604
Answer(s): 604