Question

if a bike rider travels 4 km in an hour,what is his speed measured in miles per hour?

Answer 1

2.4854847 miles per hour

Answer 2

Answer:

2.485 miles/hour

Explanation:

Speed of the rider  is 4 km/hour

The conversion factor is

1 km = 0.621371 miles

$4 \frac{km}{hour} = 4 \frac{km}{hour} \times \frac{0.621371 miles}{1 km} \\\\=2.485484 \frac{miles}{hour}$