###Human: Rodney has 35 dollars more than Ian. Ian has half as much money as Jessica has. If Jessica has 100 dollars, how much more money does Jessica have than Rodney?, ### Assistant: Ian has 100/2 = 50 dollars.
Rodney has 50+35 = 85 dollars.
Jessica has 100-85 = 15 more dollars than Rodney. 
 So the answer is :  15