Four boys, Oscar, Reggie, Valen and Peter saved some money. Reggie's savings was
13 of the total savings of Oscar, Valen and Peter. Oscar's savings was 10% of the total savings. Valen's savings was
27 of the total savings of Reggie and Peter. If Reggie's savings was $140, how much less was Oscar's savings than the total of the other three boys?
Reggie |
Peter |
Valen |
Oscar |
Total |
1x5 |
3x5 |
4x5 |
9x2 |
1x2 |
10x2 |
7x2 |
2x2 |
|
|
5 u |
9 u |
4 u |
2 u |
20 u |
10% →
10100=
110 Oscar's savings : Total savings = 1 : 10
Reggie's savings = 5 u
5 u = 140
1 u = 140 ÷ 5 = 28
Oscar's savings = 2 u
Savings of the other three boys
= 5 u + 9 u + 4 u
= 18 u
Savings that Oscar had less than the total of the three other boys
= 18 u - 2 u
= 16 u
= 16 x 28
= $448
Answer(s): $448