Question: how to calculate miles to kilometers

  Options: 
 A. Converting a mile length measurement to a kilometer measurement involves multiplying the length by the conversion ratio to find the result. One mile is equal to 1.609344 kilometers, so to convert simply multiply by 1.609344.
 B. Converting a mile length measurement to a kilometer measurement involves multiplying the length by the conversion ratio to find the result. One mile is equal to 1.609344 kilometers, so to convert simply multiply by 2.609344.
Answer: A