Audrey and Stella shared $60 equally. How much money must Audrey give to Stella so that Stella will have three times as much money as Audrey?
| |
Audrey |
Stella |
Total |
| Before |
30 |
30 |
60 |
| Change |
- 15 |
+ 15 |
|
| After |
1 u |
3 u |
60 |
Amount that each of them had at first
= 60 ÷ 2
= $30
Amount that Audrey had = 1 u
Amount that Stella had = 3 u
Total amount that Audrey and Stella
= 1 u + 3 u
= 4 u
4 u = 60
1 u = 60 ÷ 4 = 15
Amount that Audrey must give to Stella
= 30 - 15
= $15
Answer(s): $15
