Question

Alisa walks 3.5 miles in 30 minutes. At this rate, how many miles can she walk in 45 minutes?385.7 miles5 miles386 miles5.25 miles

Answer 1

Given:

Alisa walks 3.5 miles in 30 minutes.

To find:

The number of miles if she walks 45 mins.

Step-by-step explanation:

The unit rate for speed is,

`\begin{gathered} Speed=(Distance)/(Time) \\ =(3.5)/(30) \end{gathered}`

The distance covered when she walks 45mins,

`\begin{gathered} Distance=Speed* Time \\ =(3.5)/(30)*45 \\ =5.25miles \end{gathered}`

Final answer:

The number of miles she walks in 45mins is 5.25miles.