The juice was two times more expensive than the sandwich, so it was 4 * 2 = $<<2*4=8>>8.
The juice and the sandwich in total were a cost of 4 + 8 = $<<4+8=12>>12.
So the cost of one bottle of milk was 75/100 * 12 = $<<75/100*12=9>>9.
In total for all the food, George paid 12 + 9 = $<<12+9=21>>21.
#### 21