An arts Academy requires there to be three teachers for every 75 students and for tutors for every 44 students. How many students does the Academy have per teacher? Per tutor? How many tutors Does the Academy need if it has 99 students?

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?