it takes esther 12 minutes to ride a roller coaster four times. write an rquatio to represent the proportional relationship between the number of rides and the total amount of time

What could explain what happened when the time was equal to 120 minutes

: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?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.