Rachel and Natalie shared $30 equally. How much money must Rachel give to Natalie so that Natalie will have two times as much money as Rachel?
| |
Rachel |
Natalie |
Total |
| Before |
15 |
15 |
30 |
| Change |
- 5 |
+ 5 |
|
| After |
1 u |
2 u |
30 |
Amount that each of them had at first
= 30 ÷ 2
= $15
Amount that Rachel had = 1 u
Amount that Natalie had = 2 u
Total amount that Rachel and Natalie
= 1 u + 2 u
= 3 u
3 u = 30
1 u = 30 ÷ 3 = 10
Amount that Rachel must give to Natalie
= 15 - 10
= $5
Answer(s): $5
