Four boys, Simon, Fred, Paul and Perry saved some money. Fred's savings was
12 of the total savings of Simon, Paul and Perry. Simon's savings was 10% of the total savings. Paul's savings was
27 of the total savings of Fred and Perry. If Fred's savings was $360, how much less was Paul's savings than the total of the other three boys?
Fred |
Perry |
Paul |
Simon |
Total |
1x10 |
2x10 |
3x10 |
9x3 |
1x3 |
10x3 |
7x3 |
2x3 |
|
|
10 u |
11 u |
6 u |
3 u |
30 u |
10% →
10100=
110 Simon's savings : Total savings = 1 : 10
Fred's savings = 10 u
10 u = 360
1 u = 360 ÷ 10 = 36
Paul's savings = 6 u
Savings of the other three boys
= 10 u + 11 u + 3 u
= 24 u
Savings that Paul had less than the total of the three other boys
= 24 u - 6 u
= 18 u
= 18 x 36
= $648
Answer(s): $648