Question

Carl can paint a room 3 hours faster than Jennifer can. If they work together, they can complete the job in 2 hours. Using complete sentences, explain each step in figuring out how to determine the time it would take Jennifer to complete this job on her own.

This is what I have so far

1 1 1
---- + ----- = --------
x - 3 x 2

Carl Jennifer

Please help me solve this. I'm kinda stuck

Answer 1

Find a common denominator or the LCM of each. It would be (2)(x)(x-3). Let me work it then I will show you step by step, ok?

Answer 2

Thank you :)

Answer 3

Ok, do it like this:

Answer 4

The LCM is 2*x*x-3, so it works like this with your equation so far: