Maria found that about 3/4 of the students in her class take the bus to school. what percent of the students in her class take the bus to school?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

How do i put 3(x+7) in distributive property

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?