Sandy had $224 left after spending 30% of the money she took for shopping. How much money did Sandy take along with her?
Choose the correct choice from the following: A) $ 260 B) $ 290 C) $ 320 D) $ 350 E) $ 380

Rationale: "let the money sandy took for shopping be x . 0.7 x = 224 x = 320 the answer is c ."
Answer: C