Four boys, Ben, Ahmad, Flynn and Nick saved some money. Ahmad's savings was
15 of the total savings of Ben, Flynn and Nick. Ben's savings was 20% of the total savings. Flynn's savings was
13 of the total savings of Ahmad and Nick. If Ahmad's savings was $170, how much less was Ben's savings than the total of the other three boys?
| Ahmad |
Nick |
Flynn |
Ben |
Total |
| 1x5 |
5x5 |
6x5 |
| 4x6 |
1x6 |
5x6 |
| 3x6 |
1x6 |
|
|
| 5 u |
13 u |
6 u |
6 u |
30 u |
20% →
20100=
15 Ben's savings : Total savings = 1 : 5
Ahmad's savings = 5 u
5 u = 170
1 u = 170 ÷ 5 = 34
Ben's savings = 6 u
Savings of the other three boys
= 5 u + 13 u + 6 u
= 24 u
Savings that Ben had less than the total of the three other boys
= 24 u - 6 u
= 18 u
= 18 x 34
= $612
Answer(s): $612
