Four boys, Ivan, Xavier, Jeremy and Cole saved some money. Xavier's savings was
23 of the total savings of Ivan, Jeremy and Cole. Ivan's savings was 30% of the total savings. Jeremy's savings was
16 of the total savings of Xavier and Cole. If Xavier's savings was $84, how much less was Jeremy's savings than the total of the other three boys?
| Xavier |
Cole |
Jeremy |
Ivan |
Total |
| 2x2 |
3x2 |
5x2 |
| 7x1 |
3x1 |
10x1 |
| 6x1 |
1x1 |
|
|
| 4 u |
2 u |
1 u |
3 u |
10 u |
30% →
30100=
310 Ivan's savings : Total savings = 3 : 10
Xavier's savings = 4 u
4 u = 84
1 u = 84 ÷ 4 = 21
Jeremy's savings = 1 u
Savings of the other three boys
= 4 u + 2 u + 3 u
= 9 u
Savings that Jeremy had less than the total of the three other boys
= 9 u - 1 u
= 8 u
= 8 x 21
= $168
Answer(s): $168
