Question

1. if you travel to canada, speed limits are posted in km/hr. for a speed limit of 70. mi/hr, what would be the speed limit posted on a canadian highway? (1 mile = 1.609 km)

110 km/hr
44 km/hr
68 km/hr
72 km/hr
55 km/hr

Explanation:

Step1: Set up unit conversion

Multiply speed by conversion factor.
$\text{Speed (km/hr)} = 70. \ \text{mi/hr} \times 1.609 \ \text{km/mi}$

Step2: Calculate the result

Perform the multiplication.
$\text{Speed (km/hr)} = 70. \times 1.609 = 112.63$

Step3: Match to closest option

Round to nearest given value.
$112.63 \approx 110$

Answer:

110 km/hr