Mean, median, mode for the numbers 8,6,1,10,7,10,11,9

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

: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?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost