Question

If Dominik completes a project by himself, it will take him 8 hours. Working with Katarina, it will take them 5 hours.

If they work together, what is the missing value from the table that represents the part of the project Dominik will complete?

8r
8(5)
1/8r
1/8(5)

Answer 1

d. 1/8(5)

Step-by-step explanation: just took the test

Answer 2

I think the answer is D, I've been told it's D by many people.