Samuel and Jamie shared $40 equally. How much money must Samuel give to Jamie so that Jamie will have three times as much money as Samuel?
| |
Samuel |
Jamie |
Total |
| Before |
20 |
20 |
40 |
| Change |
- 10 |
+ 10 |
|
| After |
1 u |
3 u |
40 |
Amount that each of them had at first
= 40 ÷ 2
= $20
Amount that Samuel had = 1 u
Amount that Jamie had = 3 u
Total amount that Samuel and Jamie
= 1 u + 3 u
= 4 u
4 u = 40
1 u = 40 ÷ 4 = 10
Amount that Samuel must give to Jamie
= 20 - 10
= $10
Answer(s): $10
