An arts academy requires there to be 3 teachers for every 57 students and 5 tutors for every 50 students How many students does the academy have per teacher? Per tutor? How many tutors does the academy need if it has 130 students?

Hart manufacturing had six-month sales of $80 million, with $20 million of that amount from the internet. it set a goal to increase the percentage of total sales coming from the internet by 4 percent in the next six months. the results were total sales of $85 million. if the company meets its goal exactly, what will the dollar amount of internet sales be?