Johnny makes $6.75 per hour at his work. If he works 10 hours, how much money will he earn?
Choose the correct answer: A) $ 67.50 B) $ 54 C) $ 28.50 D) $ 12.50 E) $ 9.60

Rationale: 6.75 * 10 = 67.50 . answer is a .
Answer: A