Tinna ate 5 cookies then she returned 3 that she made maia ate 2 of the cookie and returned 0 cookies micheal ate ten cookies th
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Answer: 6 hours
Step-by-step explanation:
Given, Tim and Jim are working on a school project together.
Tim takes 10 hours to complete the school project.
If Jim worked alone, it would take him 15 hours
Let t be the time they both take if they work together.
Then,
So, it will take<u> 6 hours</u> to complete the school project together .