Tommy and Aubrey shared $50 equally. How much money must Tommy give to Aubrey so that Aubrey will have four times as much money as Tommy?
| |
Tommy |
Aubrey |
Total |
| Before |
25 |
25 |
50 |
| Change |
- 15 |
+ 15 |
|
| After |
1 u |
4 u |
50 |
Amount that each of them had at first
= 50 ÷ 2
= $25
Amount that Tommy had = 1 u
Amount that Aubrey had = 4 u
Total amount that Tommy and Aubrey
= 1 u + 4 u
= 5 u
5 u = 50
1 u = 50 ÷ 5 = 10
Amount that Tommy must give to Aubrey
= 25 - 10
= $15
Answer(s): $15
