For this case we have that the motorcycle consumes a gallon of gasoline for every 40 miles.
If we want to know how many miles can be traveled with 8.9 gallons of gasoline, we make a rule of three:
1 gallon -------------> 40 miles
8.9 gallons ---------> x
Where "x" represents the number of miles that can be traveled with 8.9 gallons.
Thus, with 8.9 gallons of gasoline, you can travel 356 miles.
Answer:
356 miles