Four boys, Zane, Ahmad, Vincent and Will saved some money. Ahmad's savings was
23 of the total savings of Zane, Vincent and Will. Zane's savings was 30% of the total savings. Vincent's savings was
16 of the total savings of Ahmad and Will. If Ahmad's savings was $128, how much less was Zane's savings than the total of the other three boys?
| Ahmad |
Will |
Vincent |
Zane |
Total |
| 2x2 |
3x2 |
5x2 |
| 7x1 |
3x1 |
10x1 |
| 6x1 |
1x1 |
|
|
| 4 u |
2 u |
1 u |
3 u |
10 u |
30% →
30100=
310 Zane's savings : Total savings = 3 : 10
Ahmad's savings = 4 u
4 u = 128
1 u = 128 ÷ 4 = 32
Zane's savings = 3 u
Savings of the other three boys
= 4 u + 2 u + 1 u
= 7 u
Savings that Zane had less than the total of the three other boys
= 7 u - 3 u
= 4 u
= 4 x 32
= $128
Answer(s): $128
