**Wilson and Yi Lin had $71 altogether. Yi Lin and Patrick had $105 altogether. Wilsom hand 3/5 of the money that Patrick had. How much money did Yi Lin have?Solution **

Yi Lin + Patrick

? + 5 units --> $105

Yi Lin + Wilson

? + 3 units --> $71

5 units - 3 units --> $105 - $71

2 units --> $34

1 unit --> $34 divided by 2 = $17

Yi Lin + Wilson

? + 3 units --> $71

? + (3 x $17) --> $71

? + $51 --> $71

? --> $71 - $51 = $20

**Answer: $20**

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