Josiah and Liam shared $40 equally. How much money must Josiah give to Liam so that Liam will have three times as much money as Josiah?
| |
Josiah |
Liam |
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 Josiah had = 1 u
Amount that Liam had = 3 u
Total amount that Josiah and Liam
= 1 u + 3 u
= 4 u
4 u = 40
1 u = 40 ÷ 4 = 10
Amount that Josiah must give to Liam
= 20 - 10
= $10
Answer(s): $10
