Question

Mila jogged 4.6 miles in 48 minutes. If she jogged at a constant rate, what was her jogging speed?

Answer 1

5.75 miles per hour. 

Answer 2

`5.75(miles)/(hour)` or
`5(3)/(4)(miles)/(hour)`

Explanation:

we know that

The speed is equal to divide the distance by the time

Let

s------> the speed in miles per minute

y------> the distance in miles

x-------> the time in minutes

so

`s=(y)/(x)`

In this problem we have

`y=4.6\ miles`

`x=48\ minutes`

substitute

`s=(4.6)/(48)=0.0958(miles)/(minute)`

Convert to miles per hour

`0.0958(miles)/(minute)=0.0958*60=5.75(miles)/(hour)`

Convert to mixed number

`5.75(miles)/(hour)=5+0.75=5(3)/(4)(miles)/(hour)`