Question

express 50 miles per hour in kilometers per hour.
□ km/hr
(round to the nearest whole number as needed.)
approximate english and metric equivalents
1 in. = 2.54 cm
1 ft = 30.48 cm
1 yd = 0.9 m
1 mi = 1.6 km

Explanation:

Step1: Identify conversion factor

We know 1 mi = 1.6 km.

Step2: Convert speed

50 miles per hour means we multiply 50 by the conversion factor. So, $50\times1.6$.

Answer:

80