Four boys, Dylan, John, Simon and Ryan saved some money. John's savings was
12 of the total savings of Dylan, Simon and Ryan. Dylan's savings was 30% of the total savings. Simon's savings was
16 of the total savings of John and Ryan. If John's savings was $330, how much less was Dylan's savings than the total of the other three boys?
John |
Ryan |
Simon |
Dylan |
Total |
1x10 |
2x10 |
3x10 |
7x3 |
3x3 |
10x3 |
6x3 |
1x3 |
|
|
10 u |
8 u |
3 u |
9 u |
30 u |
30% →
30100=
310 Dylan's savings : Total savings = 3 : 10
John's savings = 10 u
10 u = 330
1 u = 330 ÷ 10 = 33
Dylan's savings = 9 u
Savings of the other three boys
= 10 u + 8 u + 3 u
= 21 u
Savings that Dylan had less than the total of the three other boys
= 21 u - 9 u
= 12 u
= 12 x 33
= $396
Answer(s): $396