A bicycle covers a distance of 18 km in 30 minutes. What is its average speed in km/h?

Step-by-step solution

1. Step 1: Convert the time from minutes to hours: $30\text{ min}=\frac{30}{60}\text{ h}=0.5\text{ h}$.
2. Step 2: Use the definition of average speed $v=\frac{s}{t}$.
3. Step 3: Substitute the values: $v=\frac{18\text{ km}}{0.5\text{ h}}=36\text{ km/h}$.
4. Step 4: Conclude that the average speed of the bicycle is 36 km/h.

Concept tested: Average speed

Published 13 October 2026 · How this solution was prepared and checked