Bess can type an attorney's brief in 6 hours. Betty can type the same brief in 8 hours. If bess works 1 hour and stops, and then Betty continues to complete the job, how long will it take Betty to complete the job alone?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.