Final answer:
To convert the 255 kilometers to miles, the distance is divided by the conversion factor of 1.61 kilometers per mile, resulting in approximately 158.39 miles traveled.
Step-by-step explanation:
To convert the 255 kilometers your family traveled in Canada to miles, we need to use the conversion factor that 1 mile is approximately equal to 1.61 kilometers. This means, to find the distance in miles, you divide the distance in kilometers by 1.61.
Conversion: 255 km ÷ 1.61 km/mile = 158.385 miles (rounded to three decimal places)
Therefore, your family traveled approximately 158.39 miles on your road trip to Canada.