Four boys, John, Valen, Liam and Ryan saved some money. Valen's savings was
15 of the total savings of John, Liam and Ryan. John's savings was 30% of the total savings. Liam's savings was
34 of the total savings of Valen and Ryan. If Valen's savings was $90, how much less was John's savings than the total of the other three boys?
| Valen |
Ryan |
Liam |
John |
Total |
| 1x5 |
5x5 |
6x5 |
| 7x3 |
3x3 |
10x3 |
| 4x3 |
3x3 |
|
|
| 5 u |
7 u |
9 u |
9 u |
30 u |
30% →
30100=
310 John's savings : Total savings = 3 : 10
Valen's savings = 5 u
5 u = 90
1 u = 90 ÷ 5 = 18
John's savings = 9 u
Savings of the other three boys
= 5 u + 7 u + 9 u
= 21 u
Savings that John had less than the total of the three other boys
= 21 u - 9 u
= 12 u
= 12 x 18
= $216
Answer(s): $216
