PSLEIsaiah, Claire and Emma shared $620. Claire received 30% more than Isaiah while Emma received 20% less than Isaiah. How much more than Emma did Claire receive?
Isaiah |
Claire |
Emma |
Total |
100% |
130% |
|
|
100% |
|
80% |
|
10 u |
13 u |
8 u |
31 u |
Isaiah : Claire : Emma
100 : 130 : 80
(÷10)10 : 13 : 8
Isaiah is the repeated identity.
Total amount that they shared
= 10 u + 13 u + 8 u
= 31 u
31 u = 620
1 u = 620 ÷ 31 = 20
Amount that Claire received more than Emma
= 13 u - 8 u
= 5 u
= 5 x 20
= $100
Answer(s): $100