Four boys, Mark, Brandon, Ken and Vaidev saved some money. Brandon's savings was
512 of the total savings of Mark, Ken and Vaidev. Mark's savings was 20% of the total savings. Ken's savings was
13 of the total savings of Brandon and Vaidev. If Brandon's savings was $325, how much less was Ken's savings than the total of the other three boys?
Brandon |
Vaidev |
Ken |
Mark |
Total |
5x5 |
12x5 |
17x5 |
4x17 |
1x17 |
5x17 |
3x17 |
1x17 |
|
|
25 u |
26 u |
17 u |
17 u |
85 u |
20% →
20100=
15 Mark's savings : Total savings = 1 : 5
Brandon's savings = 25 u
25 u = 325
1 u = 325 ÷ 25 = 13
Ken's savings = 17 u
Savings of the other three boys
= 25 u + 26 u + 17 u
= 68 u
Savings that Ken had less than the total of the three other boys
= 68 u - 17 u
= 51 u
= 51 x 13
= $663
Answer(s): $663