Seven days ago, the gas tank on Rosa's vehicle was filled with 25 gallons of gasoline. Today there are 11 gallons of gasoline.
b. What is the mean (average) change in gasoline in gallons per day?
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17 Seven days ago, the gas tank on Rosa's vehicle was filled with
25 gallons of gasoline. Today there are 11 gallons of gasoline,
c. What is the fuel efficiency, in miles per gallon, of Rosa's car if
she drove 490 miles in the past seven days?