Four boys, Mark, Will, Luke and Bobby saved some money. Will's savings was
15 of the total savings of Mark, Luke and Bobby. Mark's savings was 25% of the total savings. Luke's savings was
12 of the total savings of Will and Bobby. If Will's savings was $60, how much less was Luke's savings than the total of the other three boys?
Will |
Bobby |
Luke |
Mark |
Total |
1x2 |
5x2 |
6x2 |
3x3 |
1x3 |
4x3 |
2x3 |
1x3 |
|
|
2 u |
4 u |
3 u |
3 u |
12 u |
25% →
25100=
14 Mark's savings : Total savings = 1 : 4
Will's savings = 2 u
2 u = 60
1 u = 60 ÷ 2 = 30
Luke's savings = 3 u
Savings of the other three boys
= 2 u + 4 u + 3 u
= 9 u
Savings that Luke had less than the total of the three other boys
= 9 u - 3 u
= 6 u
= 6 x 30
= $180
Answer(s): $180