PSLELucy, Christian and Benjamin shared $640. Christian received 50% more than Lucy while Benjamin received 30% less than Lucy. How much more than Benjamin did Christian receive?
Lucy |
Christian |
Benjamin |
Total |
100% |
150% |
|
|
100% |
|
70% |
|
10 u |
15 u |
7 u |
32 u |
Lucy : Christian : Benjamin
100 : 150 : 70
(÷10)10 : 15 : 7
Lucy is the repeated identity.
Total amount that they shared
= 10 u + 15 u + 7 u
= 32 u
32 u = 640
1 u = 640 ÷ 32 = 20
Amount that Christian received more than Benjamin
= 15 u - 7 u
= 8 u
= 8 x 20
= $160
Answer(s): $160