Four boys, Xavier, Will, Archie and Jenson saved some money. Will's savings was
14 of the total savings of Xavier, Archie and Jenson. Xavier's savings was 10% of the total savings. Archie's savings was
45 of the total savings of Will and Jenson. If Will's savings was $40, how much less was Archie's savings than the total of the other three boys?
Will |
Jenson |
Archie |
Xavier |
Total |
1x2 |
4x2 |
5x2 |
9x1 |
1x1 |
10x1 |
5x1 |
4x1 |
|
|
2 u |
3 u |
4 u |
1 u |
10 u |
10% →
10100=
110 Xavier's savings : Total savings = 1 : 10
Will's savings = 2 u
2 u = 40
1 u = 40 ÷ 2 = 20
Archie's savings = 4 u
Savings of the other three boys
= 2 u + 3 u + 1 u
= 6 u
Savings that Archie had less than the total of the three other boys
= 6 u - 4 u
= 2 u
= 2 x 20
= $40
Answer(s): $40