Four boys, Brandon, Sam, Michael and Tommy saved some money. Sam's savings was
411 of the total savings of Brandon, Michael and Tommy. Brandon's savings was 20% of the total savings. Michael's savings was
13 of the total savings of Sam and Tommy. If Sam's savings was $60, how much less was Brandon's savings than the total of the other three boys?
Sam |
Tommy |
Michael |
Brandon |
Total |
4x1 |
11x1 |
15x1 |
4x3 |
1x3 |
5x3 |
3x3 |
1x3 |
|
|
4 u |
5 u |
3 u |
3 u |
15 u |
20% →
20100=
15 Brandon's savings : Total savings = 1 : 5
Sam's savings = 4 u
4 u = 60
1 u = 60 ÷ 4 = 15
Brandon's savings = 3 u
Savings of the other three boys
= 4 u + 5 u + 3 u
= 12 u
Savings that Brandon had less than the total of the three other boys
= 12 u - 3 u
= 9 u
= 9 x 15
= $135
Answer(s): $135