Four boys, Paul, John, Billy and Pierre saved some money. John's savings was
12 of the total savings of Paul, Billy and Pierre. Paul's savings was 10% of the total savings. Billy's savings was
18 of the total savings of John and Pierre. If John's savings was $250, how much less was Paul's savings than the total of the other three boys?
| John |
Pierre |
Billy |
Paul |
Total |
| 1x10 |
2x10 |
3x10 |
| 9x3 |
1x3 |
10x3 |
| 8x3 |
1x3 |
|
|
| 10 u |
14 u |
3 u |
3 u |
30 u |
10% →
10100=
110 Paul's savings : Total savings = 1 : 10
John's savings = 10 u
10 u = 250
1 u = 250 ÷ 10 = 25
Paul's savings = 3 u
Savings of the other three boys
= 10 u + 14 u + 3 u
= 27 u
Savings that Paul had less than the total of the three other boys
= 27 u - 3 u
= 24 u
= 24 x 25
= $600
Answer(s): $600
