Four boys, Tom, Valen, Henry and Andy saved some money. Valen's savings was
12 of the total savings of Tom, Henry and Andy. Tom's savings was 20% of the total savings. Henry's savings was
13 of the total savings of Valen and Andy. If Valen's savings was $105, how much less was Tom's savings than the total of the other three boys?
| Valen |
Andy |
Henry |
Tom |
Total |
| 1x5 |
2x5 |
3x5 |
| 4x3 |
1x3 |
5x3 |
| 3x3 |
1x3 |
|
|
| 5 u |
4 u |
3 u |
3 u |
15 u |
20% →
20100=
15 Tom's savings : Total savings = 1 : 5
Valen's savings = 5 u
5 u = 105
1 u = 105 ÷ 5 = 21
Tom's savings = 3 u
Savings of the other three boys
= 5 u + 4 u + 3 u
= 12 u
Savings that Tom had less than the total of the three other boys
= 12 u - 3 u
= 9 u
= 9 x 21
= $189
Answer(s): $189
