Sandy had $210 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 choices:
A) $ 240	B) $ 300	C) $ 360	D) $ 420	E) $ 480

Rationale: "let the money sandy took for shopping be x . 0.7 x = 210 x = 300 the answer is b ."
Answer: B