Four boys, Archie, Ian, Billy and Jeremy saved some money. Ian's savings was
59 of the total savings of Archie, Billy and Jeremy. Archie's savings was 20% of the total savings. Billy's savings was
13 of the total savings of Ian and Jeremy. If Ian's savings was $750, how much less was Archie's savings than the total of the other three boys?
Ian |
Jeremy |
Billy |
Archie |
Total |
5x5 |
9x5 |
14x5 |
4x14 |
1x14 |
5x14 |
3x14 |
1x14 |
|
|
25 u |
17 u |
14 u |
14 u |
70 u |
20% →
20100=
15 Archie's savings : Total savings = 1 : 5
Ian's savings = 25 u
25 u = 750
1 u = 750 ÷ 25 = 30
Archie's savings = 14 u
Savings of the other three boys
= 25 u + 17 u + 14 u
= 56 u
Savings that Archie had less than the total of the three other boys
= 56 u - 14 u
= 42 u
= 42 x 30
= $1260
Answer(s): $1260