Four boys, Perry, Liam, Ethan and Nick saved some money. Liam's savings was
111 of the total savings of Perry, Ethan and Nick. Perry's savings was 30% of the total savings. Ethan's savings was
25 of the total savings of Liam and Nick. If Liam's savings was $105, how much less was Perry's savings than the total of the other three boys?
| Liam |
Nick |
Ethan |
Perry |
Total |
| 1x5 |
11x5 |
12x5 |
| 7x6 |
3x6 |
10x6 |
| 5x6 |
2x6 |
|
|
| 5 u |
25 u |
12 u |
18 u |
60 u |
30% →
30100=
310 Perry's savings : Total savings = 3 : 10
Liam's savings = 5 u
5 u = 105
1 u = 105 ÷ 5 = 21
Perry's savings = 18 u
Savings of the other three boys
= 5 u + 25 u + 12 u
= 42 u
Savings that Perry had less than the total of the three other boys
= 42 u - 18 u
= 24 u
= 24 x 21
= $504
Answer(s): $504
