Question

http://prntscr.com/9gc7p9

Answer 1

@Directrix

Answer 2

Lee does 1/x of the job per hour

Mike does 1/(2x) of the job per hour

Together, they do 1/12 of the job per hour.

Which equation do you think represents this?

@Diana.xL

Answer 3

1/x + 1/2x = 1/12?

Answer 4

That is what I think. Here's a link for reading about work problems:

http://purplemath.com/modules/workprob.htm

Answer 5

ok thnx

Answer 6

You are welcome.

Answer 7

thxs