Nina has exactly enough money to purchase 6 widgets. If the cost of each widget were reduced by $1.5, then Nina would have exactly enough money to purchase 8 widgets. How much money does Nina have?  Answers: A) $ 22 B) $ 24 C) $ 30 D) $ 36 E) $ 40

Rationale: "d its is . let price = x ( x - 1.5 ) 8 = 6 x x = 6 hence total money = 6 * 6 = 36"
Answer: D