Four boys, Eric, Ken, Fred and Brandon saved some money. Ken's savings was
711 of the total savings of Eric, Fred and Brandon. Eric's savings was 25% of the total savings. Fred's savings was
12 of the total savings of Ken and Brandon. If Ken's savings was $518, how much less was Eric's savings than the total of the other three boys?
Ken |
Brandon |
Fred |
Eric |
Total |
7x2 |
11x2 |
18x2 |
3x9 |
1x9 |
4x9 |
2x9 |
1x9 |
|
|
14 u |
4 u |
9 u |
9 u |
36 u |
25% →
25100=
14 Eric's savings : Total savings = 1 : 4
Ken's savings = 14 u
14 u = 518
1 u = 518 ÷ 14 = 37
Eric's savings = 9 u
Savings of the other three boys
= 14 u + 4 u + 9 u
= 27 u
Savings that Eric had less than the total of the three other boys
= 27 u - 9 u
= 18 u
= 18 x 37
= $666
Answer(s): $666