The total cost for the subway stations passed by the subway car traveling for one hour is based on what unit rate?

The total cost for the subway stations passed by the subway car traveling for one hour is based on what unit rate?

• A. 1 station per 3 minutes
• B. 3 stations per 10 minutes
• C. 6 stations per 20 minutes
• D. 60 stations per hour

Answer: (B)

To determine the unit rate for the total cost for the subway stations passed by the subway car traveling for one hour, we first need to analyze the different options provided in relation to a common time frame. The key to solving this question is to express how many stations are passed in one hour (which is 60 minutes). The option that best represents how many stations are covered in that time period is significant. Starting with option B, which states 3 stations per 10 minutes, we can find the equivalent rate for one hour. Since one hour contains six 10-minute intervals (60 minutes/10 minutes), we multiply the number of stations in 10 minutes by 6: 3 stations/10 minutes * 6 = 18 stations per hour, which doesn't align with our goal of choosing a rate representing stations per hour. On the other hand, option D states 60 stations per hour. This directly indicates that the subway car will pass 60 stations in the span of one hour. This aligns perfectly with the timeframe given in the question (one hour) and efficiently communicates how many stations can be passed in that unit of time. Therefore, this is the correct unit rate indicating the total cost based on the passed stations. The other options either

To determine the unit rate for the total cost for the subway stations passed by the subway car traveling for one hour, we first need to analyze the different options provided in relation to a common time frame.

The key to solving this question is to express how many stations are passed in one hour (which is 60 minutes). The option that best represents how many stations are covered in that time period is significant.

Starting with option B, which states 3 stations per 10 minutes, we can find the equivalent rate for one hour. Since one hour contains six 10-minute intervals (60 minutes/10 minutes), we multiply the number of stations in 10 minutes by 6:

3 stations/10 minutes * 6 = 18 stations per hour, which doesn't align with our goal of choosing a rate representing stations per hour.

On the other hand, option D states 60 stations per hour. This directly indicates that the subway car will pass 60 stations in the span of one hour. This aligns perfectly with the timeframe given in the question (one hour) and efficiently communicates how many stations can be passed in that unit of time. Therefore, this is the correct unit rate indicating the total cost based on the passed stations.

The other options either