Loading...

Lesson: Challenging Problem Solving - 21t03

Rates: Average Rates And Combined Rates, Continued

[Page 21 of 37]

Review the following average rate problem and then proceed to the task below.

A motorist travels 90 miles at a rate of 20 miles per hour. If he returns the same distance at a rate of 40 miles per hour, what is the average speed for the entire trip, in miles per hour?

20
30
Use the average rate formula to solve the question above. First try to find distance and rate for the first leg of the trip. Enter the correct values into the textboxes below, and then click Continue.

Distance 1:

Time 1:
_____
Now do the same for Distance 2 and Time 2.

Distance 2:

Time 2:
_____

Distance 2 is the return leg of the trip, so it too is equivalent to 90 miles. Time 2 is determined by dividing Distance 2 by the rate for that part of the trip:

 

Back Next

Next to display next topic in the chapter.

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

Current Menu
More for You
All in this Category

You may be interested in

PAF College Lower Topa

How to get admission in PAF College ...

Colleges in Quetta

Find a comprehensive list of major ...

Recent Admission News List

A list of top 30 Recent Admission N ...

Interviews

How to deal with job or admission I ...

Join Pakistan Air Force

How you can join Pakistan Air Force ...

ISSB - G.T.O. Tasks

Learn all about to deal ISSB - G.T. ...

Universities in Karachi

A comprehensive list of major unive ...

NMCH - Dental Surgery

Nishtar Medical College and Hospita ...