Saturday

October 25, 2014

October 25, 2014

Posted by **Courtney** on Monday, November 19, 2007 at 11:42pm.

- College Algebra -
**Reiny**, Tuesday, November 20, 2007 at 12:40amAverage speed = total distance traveled/total time taken

time for first leg of trip =200/55 hrs

time for second leg of trip = 200/40 hours

so average speed = 400/(200/55 + 200/40)

=46.3 mph

**Answer this Question**

**Related Questions**

Algebra - A truck driver traveled at an average speed of 58 miles per hour on a ...

math - a truck driver traveled at an average speed of 48 miles per hour on a 100...

Calculus/ Optimization - A truck driver, on assignment from the owner of the ...

Math/ Calculus Please HELP!!! - A truck driver, on assignment from the owner of ...

college algebra - a bus driver wants to average at least 40 miles per hour on a ...

calculus - Suppose that the cost of operating a truck in Mexico is cents per ...

math - Mark averaged 60 miles per hour during the 30-mile trip to college. ...

College Algebra - A family drove 1080 miles to their vacation lodge. Because of ...

Math Hurry! - Gabriela traveled by motorcycle at an average speed of 17 miles ...

Algebra - You commute 56 miles one way to work. The trip to work takes 10 ...