It took Liam 15 minutes to ride his bike three miles convert this ratio into a unit rate by finding how long many minutes did he take to travel one mile A 5 mile/minute B 1/5 mile/minute C 1/5 minute/mile D 5 minute/mile

1 answer

To find the unit rate of how many minutes Liam took to travel one mile, we can divide the total time by the total distance.

Liam took 15 minutes to ride 3 miles.

So, to find the time taken per mile:

\[ \text{Time per mile} = \frac{\text{Total time}}{\text{Total distance}} = \frac{15 \text{ minutes}}{3 \text{ miles}} = 5 \text{ minutes/mile} \]

Thus, the correct unit rate is D) 5 minutes/mile.