A Ferris wheel has a diameter of 90 feer. If a rider starts at the bottom of
the wheel, how many feer does the
rider travel after one full turn of the
wheel?


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?