Factoriza e indica la cantidad de factores primos: P(m) = a(m+1) + b(m+1) –c(m+1) A) 2
B) 3
C) 5
D) 1
E) 4

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?