A car travels 300 miles in 11 hours. What is its average speed?
The average speed is 27.272727 mph.
How to work it out
- 1
Write down what you know: distance d = 300 miles, time t = 11 hours. You are asked for the speed v.
- 2
Use the formula speed = distance ÷ time:
- 3
Answer with the unit: 27.272727 mph.
- 4
The same formula rearranged: distance = speed × time (27.272727 × 11 = 300 miles) and time = distance ÷ speed (300 ÷ 27.272727 = 11 hours).
LaTeX source of the formulas on this page
\[ v = \frac{d}{t} = \frac{300}{11} = 27.272727\ \text{mph} \]
\[ v = \frac{d}{t} = \frac{300}{11} = \frac{300}{11} = 27.272727 \]How far at 27.272727 mph
| Time | Distance |
|---|---|
| 0.5 hours | 13.636364 miles |
| 1 hour | 27.272727 miles |
| 2 hours | 54.545455 miles |
| 3 hours | 81.818182 miles |
| 4 hours | 109.09091 miles |
| 5 hours | 136.36364 miles |
Questions
What is the speed if a car travels 300 miles in 11 hours?
The average speed is 27.272727 mph.
How far does it go in 3 hours at that speed?
81.818182 miles.