Four boys, Vaidev, Peter, Luke and Wesley saved some money. Peter's savings was
23 of the total savings of Vaidev, Luke and Wesley. Vaidev's savings was 30% of the total savings. Luke's savings was
25 of the total savings of Peter and Wesley. If Peter's savings was $144, how much less was Luke's savings than the total of the other three boys?
Peter |
Wesley |
Luke |
Vaidev |
Total |
2x2 |
3x2 |
5x2 |
7x1 |
3x1 |
10x1 |
5x1 |
2x1 |
|
|
4 u |
1 u |
2 u |
3 u |
10 u |
30% →
30100=
310 Vaidev's savings : Total savings = 3 : 10
Peter's savings = 4 u
4 u = 144
1 u = 144 ÷ 4 = 36
Luke's savings = 2 u
Savings of the other three boys
= 4 u + 1 u + 3 u
= 8 u
Savings that Luke had less than the total of the three other boys
= 8 u - 2 u
= 6 u
= 6 x 36
= $216
Answer(s): $216