Mrs. ming had $150.55 in her checking account. she wrote checks for the following amounts: $45.76, and $79.82. what is tge new balance in mrs. ming's checking account? (in the top are the answer choices)

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?