Question

A speed limit in Europe is 80 km per hour. What is the speed in miles per hour? There are about 1.6 kilometers in 1 mile. (1 point)
Responses

80 miles per hour
80 miles per hour

50 miles per hour
50 miles per hour

128 miles per hour
128 miles per hour

75 miles per hour

Answer 1

To convert from kilometers per hour (km/h) to miles per hour (mph), you can use the conversion factor that 1 mile is approximately 1.6 kilometers.

To convert 80 km/h to mph:

\[
\text{Speed in mph} = \frac{\text{Speed in km/h}}{1.60934}
\]

Using this factor:

\[
80 \, \text{km/h} \approx \frac{80}{1.60934} \approx 49.71 \, \text{mph}
\]

Rounding to the nearest whole number, this is about 50 miles per hour.

So the correct response is **50 miles per hour**.