PSLEMatthew, Jack and Robert shared $700. Jack received 30% more than Matthew while Robert received 50% less than Matthew. How much more than Robert did Jack receive?
Matthew |
Jack |
Robert |
Total |
100% |
130% |
|
|
100% |
|
50% |
|
10 u |
13 u |
5 u |
28 u |
Matthew : Jack : Robert
100 : 130 : 50
(÷10)10 : 13 : 5
Matthew is the repeated identity.
Total amount that they shared
= 10 u + 13 u + 5 u
= 28 u
28 u = 700
1 u = 700 ÷ 28 = 25
Amount that Jack received more than Robert
= 13 u - 5 u
= 8 u
= 8 x 25
= $200
Answer(s): $200