posted by Joeis .
In a certain math class, each studen has a textbook, every two students share a books of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75, how many students are in the class? How many students share tables? Hor many students share a problem book? How mnay share a mathematics dicitonary?
I will start if for you
let TB be number texbooks, BT number of books of tables, PB, and MD are the others
TB + BT + PB + MD=75
MD = TB/4
You should be able to take it from here.