Four boys, Japheth, Michael, Jack and Paul saved some money. Michael's savings was
12 of the total savings of Japheth, Jack and Paul. Japheth's savings was 40% of the total savings. Jack's savings was
12 of the total savings of Michael and Paul. If Michael's savings was $85, how much less was Japheth's savings than the total of the other three boys?
| Michael |
Paul |
Jack |
Japheth |
Total |
| 1x5 |
2x5 |
3x5 |
| 3x3 |
2x3 |
5x3 |
| 2x3 |
1x3 |
|
|
| 5 u |
1 u |
3 u |
6 u |
15 u |
40% →
40100=
25 Japheth's savings : Total savings = 2 : 5
Michael's savings = 5 u
5 u = 85
1 u = 85 ÷ 5 = 17
Japheth's savings = 6 u
Savings of the other three boys
= 5 u + 1 u + 3 u
= 9 u
Savings that Japheth had less than the total of the three other boys
= 9 u - 6 u
= 3 u
= 3 x 17
= $51
Answer(s): $51
