1) Silk Road 2) Increase of trading
64*0.0945= 6.048. 64+6.048= 70.048. If you round that to the nearest hundredth than the answer would be $70.05. So, $70.05 would be the cost for the pair of shoes.
Find the sum of both numbers, then divide by 2. That'll give you the median, not the midpoint, which is what I'm assuming you want to find (since you haven't given me any x-y coordinates).
So (0.1+0.2)/2=0.15