A car travels 440 miles in 5 hours. What is its average speed?
The average speed is 88 mph.
How to work it out
- 1
Write down what you know: distance d = 440 miles, time t = 5 hours. You are asked for the speed v.
- 2
Use the formula speed = distance ÷ time:
- 3
Answer with the unit: 88 mph.
- 4
The same formula rearranged: distance = speed × time (88 × 5 = 440 miles) and time = distance ÷ speed (440 ÷ 88 = 5 hours).
LaTeX source of the formulas on this page
\[ v = \frac{d}{t} = \frac{440}{5} = 88\ \text{mph} \]
\[ v = \frac{d}{t} = \frac{440}{5} = 88 \]How far at 88 mph
| Time | Distance |
|---|---|
| 0.5 hours | 44 miles |
| 1 hour | 88 miles |
| 2 hours | 176 miles |
| 3 hours | 264 miles |
| 4 hours | 352 miles |
| 5 hours | 440 miles |
Questions
What is the speed if a car travels 440 miles in 5 hours?
The average speed is 88 mph.
How far does it go in 3 hours at that speed?
264 miles.