This box plot shows scores on a recent math test in a sixth grade class. Which of the following measures can be determined from this box plot? Select all that apply.

interquartile range
median
mean
range
mode

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?