Answer:
He can go 201 miles
Step-by-step explanation:
We can use a proportion to solve this problem. Putting miles over gallons.
268 miles x miles
----------- = ------------
12 gallons 9 gallons
Using cross products
268*9 = 12 x
Divide by 12
268*9/12 = 12x/12
201 = x
He can go 201 miles