Four boys, Japheth, Jack, Carl and Billy saved some money. Jack's savings was
29 of the total savings of Japheth, Carl and Billy. Japheth's savings was 30% of the total savings. Carl's savings was
34 of the total savings of Jack and Billy. If Jack's savings was $220, how much less was Japheth's savings than the total of the other three boys?
Jack |
Billy |
Carl |
Japheth |
Total |
2x10 |
9x10 |
11x10 |
7x11 |
3x11 |
10x11 |
4x11 |
3x11 |
|
|
20 u |
24 u |
33 u |
33 u |
110 u |
30% →
30100=
310 Japheth's savings : Total savings = 3 : 10
Jack's savings = 20 u
20 u = 220
1 u = 220 ÷ 20 = 11
Japheth's savings = 33 u
Savings of the other three boys
= 20 u + 24 u + 33 u
= 77 u
Savings that Japheth had less than the total of the three other boys
= 77 u - 33 u
= 44 u
= 44 x 11
= $484
Answer(s): $484