Respuesta :
Answer:
1 1/4 or 5/4 gallon per hour.
Step-by-step explanation:
Fuel used in 2 1/4 hour = 2 13/16 gallon
Fuel used in 9/4 hour = 45 / 16 gallon
Fuel used in one hour = [tex]\frac{\frac{45}{16}}{\frac{9}{4}}[/tex]
= 5 / 4 gallon per hour = 1 1 /4 gallon per hour
Thus, teh fuel used in each hour is 1 1/4 gallon or 5 / 4 gallon.