John starts climbing a very steep hill.  He travels 1 foot vertically for every two feet horizontally.  His elevation increases from 100 feet to 1450 feet.  How far does he move horizontally, in feet? Let's think step by step and output the final answer after "####".
user
He travels 1450-100=<<1450-100=1350>>1350 feet vertically
So he travels 1350*2=<<1350*2=2700>>2700 feet horizontally
#### 2700
John starts climbing a very steep hill.  He travels 1 foot vertically for every two feet horizontally.  His elevation increases from 100 feet to 1450 feet.  How far does he move horizontally, in feet?
train