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To find the train's speed in miles per hour, we need to convert the speed from km/minute to miles/hour.
1 km = 0.62 miles (approximately)
So, the train's speed in miles per minute is:
3 km/minute * 0.62 miles/km = 1.86 miles/minute
To convert this to miles per hour, we need to multiply by 60 (because there are 60 minutes in an hour):
1.86 miles/minute * 60 minutes/hour = 111.6 miles/hour
Rounded to the nearest whole number, the train's speed is approximately 112 miles per hour.
To convert the train's speed from kilometers per minute to miles per hour, we can follow these steps:
Step 1: We need to find the train's speed in kilometers per hour. Since there are 60 minutes in 1 hour, and the train travels 3 km per minute, we can calculate the speed as follows:
3 km/minute * 60 minutes/hour = 180 km/hour
Step 2: Now, we can convert the speed from kilometers per hour to miles per hour. Given that there are about 1.6 kilometers in 1 mile, we can divide the speed by 1.6 to get the speed in miles per hour:
180 km/hour / 1.6 = 112.5 miles/hour
Therefore, the train's speed is approximately 112.5 miles per hour.
To find the train's speed in miles per hour, we need to convert the speed from kilometers per minute to miles per hour.
Given:
- Train speed = 3 km per minute
- 1.6 kilometers = 1 mile
- 60 minutes = 1 hour
To convert kilometers per minute to miles per hour, we can use the following steps:
1. Convert the train's speed from kilometers per minute to kilometers per hour.
Since there are 60 minutes in 1 hour, the train's speed in kilometers per hour is:
Speed in kilometers per hour = Train speed x 60
In this case, the train's speed in kilometers per hour = 3 km/minute x 60 = 180 km/hour
2. Convert the speed from kilometers per hour to miles per hour.
Since 1 kilometer is equal to 0.621371 miles, the speed in miles per hour is:
Speed in miles per hour = Speed in kilometers per hour x 0.621371
In this case, the train's speed in miles per hour = 180 km/hour x 0.621371 ≈ 111.855 miles/hour
Therefore, the train's speed is approximately 111.855 miles per hour.
Looking at the given options, the closest answer to this value is "112.5 miles per hour".