Mike weighs twice as much as Mary. Mike's weight is 150% of Michelle's weight. Alan weighs 40% of Charlie's weight. Charlie weighs 180% of Mary's weight. Which of these 5 people weighs the highest?
Select:
A) Mary
B) Mike
C) Michelle
D) Alan
E) Charlie
Mary &lt; Michelle &lt; Mike   Alan &lt; Charlie   Let x be Mary's weight.   Mike's weight is 2x and Charlie's weight is 1.8x.   The answer is Mike.
<result>B</result>
Mike weighs twice as much as Mary. Mike's weight is 150% of Michelle's weight. Alan weighs 40% of Charlie's weight. Charlie weighs 180% of Mary's weight. Which of these 5 people weighs the highest?