Sunday
March 29, 2015

Homework Help: math

Posted by charlie on Saturday, November 17, 2012 at 8:15am.

we had to go 30km through the city and then 30km through the country.Through the city we averaged 40km/h and through the country we averaged 60km/h.What was our average speed for the entire journey ?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - On a 120km track,a train travels the first 30km at a uniform speed of ...
math - Wendy took a trip from city A to city B, a distance of 560 mi. She ...
Mathematics - For the first 1 1/2 hours of a 91km journey the average speed was ...
College Algebra - Wilma drove at an average speed of 35 mi/h from her home in ...
word problem - 1. During 60mi of city driving, Jenna averaged 15mi/gal. She then...
math - On vacation, Le Hong averaged 45 mph traveling from city A to city B. ...
physics - On a 120 km track, a train travels the first 30 km at a uniform speed ...
Physics - a train travels the first 30 km of 120 km track with a uniform speed ...
statistics - A study of graduates average grades and degrees showed the ...
Algebra 2 - 1. During 60mi of city driving, Jenna averaged 15mi/gal. She then ...

Members