How many minutes of news would the disc jockey have to play for every 60minutes of music

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Ihave trouble finding the nth term of a linear sequence

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?