PSLEJack, Rael and Christian shared $870. Rael received 20% more than Jack while Christian received 30% less than Jack. How much more than Christian did Rael receive?
Jack |
Rael |
Christian |
Total |
100% |
120% |
|
|
100% |
|
70% |
|
10 u |
12 u |
7 u |
29 u |
Jack : Rael : Christian
100 : 120 : 70
(÷10)10 : 12 : 7
Jack is the repeated identity.
Total amount that they shared
= 10 u + 12 u + 7 u
= 29 u
29 u = 870
1 u = 870 ÷ 29 = 30
Amount that Rael received more than Christian
= 12 u - 7 u
= 5 u
= 5 x 30
= $150
Answer(s): $150