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Apr 2808:00 AM PDT
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25 Sep 2025, 08:33
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A metropolitan transit authority is considering two plans (Plans A and B) for a new public transportation route. Both plans would provide the same passenger capacity annually. Plan A would use two subway trains, while Plan B would use five buses.
Subway trains consume less fuel per passenger transported but generate construction debris that is costly to dispose of. Buses create no such debris.
In terms of emissions, trains release about twice as much nitrogen exhaust and more than twice as much particulate matter per passenger as buses.
Finally, the two vehicle types differ in noise: each subway train is louder than each bus.
Subway trains consume less fuel per passenger transported but generate construction debris that is costly to dispose of. Buses create no such debris.
In terms of emissions, trains release about twice as much nitrogen exhaust and more than twice as much particulate matter per passenger as buses.
Finally, the two vehicle types differ in noise: each subway train is louder than each bus.
If the transit authority were to prefer Plan A (subway trains) over Plan B (buses), for each of the following reasons, select Yes if the information in the tabs supports it as a possible justification. Otherwise, select No.
| Yes | No | |
| Reducing fuel consumption per passenger | ||
| Avoiding the disposal of construction debris | ||
| Minimizing nitrogen exhaust per passenger |
ShowHide Answer
Official Answer
Reducing fuel consumption per passenger: Yes
Avoiding the disposal of construction debris: No
Minimizing nitrogen exhaust per passenger: No
25 Sep 2025, 08:33
Kudos
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Official Solution:
• Reducing fuel consumption per passenger: Yes
Tab 1: subway trains consume less fuel per passenger transported compared with buses. This supports a preference for Plan A.
• Avoiding the disposal of construction debris: No
Tab 1: trains generate costly construction debris, whereas buses do not. Choosing Plan A does not avoid debris.
• Minimizing nitrogen exhaust per passenger: No
Tab 3: trains emit 12 g/passenger, buses emit 6 g/passenger. Trains produce twice as much nitrogen exhaust, so Plan A would not help minimize it.
Correct answer:
Reducing fuel consumption per passenger "Yes"
Avoiding the disposal of construction debris "No"
Minimizing nitrogen exhaust per passenger "No"
Bunuel
• Reducing fuel consumption per passenger: Yes
Tab 1: subway trains consume less fuel per passenger transported compared with buses. This supports a preference for Plan A.
• Avoiding the disposal of construction debris: No
Tab 1: trains generate costly construction debris, whereas buses do not. Choosing Plan A does not avoid debris.
• Minimizing nitrogen exhaust per passenger: No
Tab 3: trains emit 12 g/passenger, buses emit 6 g/passenger. Trains produce twice as much nitrogen exhaust, so Plan A would not help minimize it.
Correct answer:
Reducing fuel consumption per passenger "Yes"
Avoiding the disposal of construction debris "No"
Minimizing nitrogen exhaust per passenger "No"
