Four boys, Nick, Paul, Perry and Jack saved some money. Paul's savings was
13 of the total savings of Nick, Perry and Jack. Nick's savings was 40% of the total savings. Perry's savings was
12 of the total savings of Paul and Jack. If Paul's savings was $120, how much less was Nick's savings than the total of the other three boys?
| Paul |
Jack |
Perry |
Nick |
Total |
| 1x5 |
3x5 |
4x5 |
| 3x4 |
2x4 |
5x4 |
| 2x4 |
1x4 |
|
|
| 5 u |
3 u |
4 u |
8 u |
20 u |
40% →
40100=
25 Nick's savings : Total savings = 2 : 5
Paul's savings = 5 u
5 u = 120
1 u = 120 ÷ 5 = 24
Nick's savings = 8 u
Savings of the other three boys
= 5 u + 3 u + 4 u
= 12 u
Savings that Nick had less than the total of the three other boys
= 12 u - 8 u
= 4 u
= 4 x 24
= $96
Answer(s): $96
