Four boys, Simon, Zane, Ian and Daniel saved some money. Zane's savings was
310 of the total savings of Simon, Ian and Daniel. Simon's savings was 40% of the total savings. Ian's savings was
12 of the total savings of Zane and Daniel. If Zane's savings was $600, how much less was Ian's savings than the total of the other three boys?
Zane |
Daniel |
Ian |
Simon |
Total |
3x5 |
10x5 |
13x5 |
3x13 |
2x13 |
5x13 |
2x13 |
1x13 |
|
|
15 u |
11 u |
13 u |
26 u |
65 u |
40% →
40100=
25 Simon's savings : Total savings = 2 : 5
Zane's savings = 15 u
15 u = 600
1 u = 600 ÷ 15 = 40
Ian's savings = 13 u
Savings of the other three boys
= 15 u + 11 u + 26 u
= 52 u
Savings that Ian had less than the total of the three other boys
= 52 u - 13 u
= 39 u
= 39 x 40
= $1560
Answer(s): $1560