Question

Darnells car used 8 gallons to travel 340. Miles after a machanic worked on the car it used 7 gallons of gasoline to travel 350 miles if the price of gasoline was approximately $4.00 per gallon how much less to the nearest cent per mile did it cost to run the car after the mechanic worked on it

Answer 1

Answer:

 What we are going to do for this case is find the cost for each case:

 Cost to run the car before the mechanic worked on it:

 

 Cost to run the car after the mechanic worked on it:

 

 The difference between both cases is:

 

 Answer:

 It cost to run the car after the mechanic worked on it 0.01 $ / mile less than before the mechanic worked on it.

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