PSLENathan, Isaac and Rachel shared $930. Isaac received 30% more than Nathan while Rachel received 20% less than Nathan. How much more than Rachel did Isaac receive?
Nathan |
Isaac |
Rachel |
Total |
100% |
130% |
|
|
100% |
|
80% |
|
10 u |
13 u |
8 u |
31 u |
Nathan : Isaac : Rachel
100 : 130 : 80
(÷10)10 : 13 : 8
Nathan is the repeated identity.
Total amount that they shared
= 10 u + 13 u + 8 u
= 31 u
31 u = 930
1 u = 930 ÷ 31 = 30
Amount that Isaac received more than Rachel
= 13 u - 8 u
= 5 u
= 5 x 30
= $150
Answer(s): $150