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Which car has the greatest efficiency?(1 point) Responses a 1,200 kg car that travels 15 km per liter of fuel a 1,200 kg car that travels 15 km per liter of fuel a 1,200 kg car that travels 20 km per liter of fuel a 1,200 kg car that travels 20 km per liter of fuel a 900 kg car that travels 20 km per liter of fuel a 900 kg car that travels 20 km per liter of fuel a 900 kg car that travels 15 km per liter of fuel

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To determine which car has the greatest efficiency, we should focus on the distance traveled per unit of fuel consumed, which is expressed in kilometers per liter (km/L). The weight of the car also plays a role in efficiency, but for this exercise, we'll primarily look at the fuel efficiency given the data.

Here are the options you provided:

  1. A 1,200 kg car that travels 15 km/L
  2. A 1,200 kg car that travels 15 km/L (duplicate)
  3. A 1,200 kg car that travels 20 km/L
  4. A 1,200 kg car that travels 20 km/L (duplicate)
  5. A 900 kg car that travels 20 km/L
  6. A 900 kg car that travels 20 km/L (duplicate)
  7. A 900 kg car that travels 15 km/L

From this list, we can summarize the distinct options for fuel consumption efficiency:

  • 1,200 kg car: 15 km/L
  • 1,200 kg car: 20 km/L (better efficiency)
  • 900 kg car: 20 km/L (same efficiency as above)
  • 900 kg car: 15 km/L (lower efficiency)

The options stand out as:

  • The 1,200 kg car that travels 20 km/L
  • The 900 kg car that travels 20 km/L

Both the 1,200 kg and 900 kg cars that travel 20 km/L offer the same fuel efficiency of 20 km/L. However, the 900 kg car has an advantage in weight, which generally contributes to better overall efficiency.

Thus, the 900 kg car that travels 20 km per liter is the most efficient choice considering both weight and fuel consumption.