A car travels 330 miles in 10 hours. What is its average speed?
The average speed is 33 mph.
How to work it out
- 1
Write down what you know: distance d = 330 miles, time t = 10 hours. You are asked for the speed v.
- 2
Use the formula speed = distance ÷ time:
- 3
Answer with the unit: 33 mph.
- 4
The same formula rearranged: distance = speed × time (33 × 10 = 330 miles) and time = distance ÷ speed (330 ÷ 33 = 10 hours).
LaTeX source of the formulas on this page
\[ v = \frac{d}{t} = \frac{330}{10} = 33\ \text{mph} \]
\[ v = \frac{d}{t} = \frac{330}{10} = 33 \]How far at 33 mph
| Time | Distance |
|---|---|
| 0.5 hours | 16.5 miles |
| 1 hour | 33 miles |
| 2 hours | 66 miles |
| 3 hours | 99 miles |
| 4 hours | 132 miles |
| 5 hours | 165 miles |
Questions
What is the speed if a car travels 330 miles in 10 hours?
The average speed is 33 mph.
How far does it go in 3 hours at that speed?
99 miles.