# A student walks and jogs to college each day. The student averages 5 km/h walking and 9 km/h jogging. The distance from home to college is 8 km, and the student makes the trip in 1 hour. How far does the student jog?

##### 1 Answer

Feb 7, 2016

#### Answer:

6.75 km

#### Explanation:

Let

Since the total travel duration is 1 hour,

The distance covered by jogging is

Meanwhile, the distance covered by walking is

Since the total distance covered is 8 km, we have

We want the distance covered by jogging,