Question

Help?
When Lucy drives to her job, she averages 24 mph. When she drives home from work by the same route, traffic is lighter, so she is able to average 40 mph. What is her average speed, in mph, for the entire trip? help me please?

Answer 1

(24+40)/2
64/2
32mph

Answer 2

Agree.

Answer 3

Apparently the answer is 30 according to the answer sheet but I'm not sure how they got there

and it was marked wrong on my quiz

Answer 4

I put 30

Answer 5

I mean 32

Answer 6

i don't know then because the average is 32mph. (using the information you gave)

Answer 7

http://www.basic-mathematics.com/finding-the-average.html

Answer 8

thanks for helping and for the link!

Answer 9

You're welcome.