Four boys, Billy, Harry, Tom and Pierre saved some money. Harry's savings was
35 of the total savings of Billy, Tom and Pierre. Billy's savings was 30% of the total savings. Tom's savings was
25 of the total savings of Harry and Pierre. If Harry's savings was $240, how much less was Tom's savings than the total of the other three boys?
| Harry |
Pierre |
Tom |
Billy |
Total |
| 3x5 |
5x5 |
8x5 |
| 7x4 |
3x4 |
10x4 |
| 5x4 |
2x4 |
|
|
| 15 u |
5 u |
8 u |
12 u |
40 u |
30% →
30100=
310 Billy's savings : Total savings = 3 : 10
Harry's savings = 15 u
15 u = 240
1 u = 240 ÷ 15 = 16
Tom's savings = 8 u
Savings of the other three boys
= 15 u + 5 u + 12 u
= 32 u
Savings that Tom had less than the total of the three other boys
= 32 u - 8 u
= 24 u
= 24 x 16
= $384
Answer(s): $384
