Four boys, Dylan, Eric, Michael and Tommy saved some money. Eric's savings was
12 of the total savings of Dylan, Michael and Tommy. Dylan's savings was 40% of the total savings. Michael's savings was
12 of the total savings of Eric and Tommy. If Eric's savings was $75, how much less was Michael's savings than the total of the other three boys?
Eric |
Tommy |
Michael |
Dylan |
Total |
1x5 |
2x5 |
3x5 |
3x3 |
2x3 |
5x3 |
2x3 |
1x3 |
|
|
5 u |
1 u |
3 u |
6 u |
15 u |
40% →
40100=
25 Dylan's savings : Total savings = 2 : 5
Eric's savings = 5 u
5 u = 75
1 u = 75 ÷ 5 = 15
Michael's savings = 3 u
Savings of the other three boys
= 5 u + 1 u + 6 u
= 12 u
Savings that Michael had less than the total of the three other boys
= 12 u - 3 u
= 9 u
= 9 x 15
= $135
Answer(s): $135