So i tried doing the steps from my last anwser but it still inset making since do i multiply 4 times 4? or do i do something else?

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?

Let y = and z = . translate "z less than y" into an algebraic expression, and solve it.

Danielle’s aunt is 8 years than 3 times danielle’s age. her aunt is 34. write an equation that relates danielle’s age, a, to her aunt’s age. then find danielle’s age.