Chandler, Jamal, Allison, and Cesar are given the following problem: The problem :
''Mrs Albertson has $75 to spend at the hobby store. She decides to spend $30 on art supplies. Write an inequality that describes how much money Mrs. Albertson has left to spend at the hobby store.''

Each student writes an inequality to represent the situation. Determine whose inequality is correct.
A: Chandler wrote $30 + x _ $75
C: Allison wrote $30 + x $75