35.8k views
0 votes
fritz can build a bookcase in 8 hours and holly can build it in 10 hours. after working together for 3 hours, fritz leaves. how long will it take holly to finish the bookcase by herself?

User Aprian
by
7.9k points

1 Answer

7 votes
5 hours is the correct amount of time
User Vmonteco
by
8.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.