Question
A cyclist rides at an average speed of 18 mi per hour. If she wants to bike 212 km, how long (in hours) must she ride?
Step 1
We know that 1 mile is approximately equal to 1.609344 kilometers. So, we can write this conversion as: \[212 \text{ km} = \frac{212}{1.609344} \text{ miles} \approx 131.73 \text{ miles}\] Show more…
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A cyclist rides at an average speed of 18 miles per hour. If she wants to bike $212 \mathrm{~km}$, how long (in hours) must she ride?
A cyclist rides at an average speed of 18 miles per hour. If she wants to bike 212 $\mathrm{km}$ , how long (in hours) must she ride?
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