Four boys, Tom, Jack, Jeremy and Justin saved some money. Jack's savings was
13 of the total savings of Tom, Jeremy and Justin. Tom's savings was 30% of the total savings. Jeremy's savings was
34 of the total savings of Jack and Justin. If Jack's savings was $170, how much less was Jeremy's savings than the total of the other three boys?
Jack |
Justin |
Jeremy |
Tom |
Total |
1x5 |
3x5 |
4x5 |
7x2 |
3x2 |
10x2 |
4x2 |
3x2 |
|
|
5 u |
3 u |
6 u |
6 u |
20 u |
30% →
30100=
310 Tom's savings : Total savings = 3 : 10
Jack's savings = 5 u
5 u = 170
1 u = 170 ÷ 5 = 34
Jeremy's savings = 6 u
Savings of the other three boys
= 5 u + 3 u + 6 u
= 14 u
Savings that Jeremy had less than the total of the three other boys
= 14 u - 6 u
= 8 u
= 8 x 34
= $272
Answer(s): $272