We had 12 2/3 bags of cookies for the bake sale. Mrs. Johnson brought some more so we had 15 1/2 bags. How many bags of cookies did Mrs. Johnson bring?
We used 2 5/6 hours of video tape to record our daughter's play. After we recorded her birthday party the complete video was 4 1/2 hours long. How much of the video was used by her party?