Last year, sales at Company X were 10% greater in February than in January, 15% less in March than in Feb, 20% greater in April than in March, 10% less in May than in April, and 5% greater in June than in May. In which month were sales closest to Jan? Pick:
A) Feb
B) Mar
C) Apr
D) May
E) June
Jan = $100   10% greater in February than in January ---&gt; Feb = 1.1 Jan = $110   15% less in March than in Feb ---&gt; Mar = 0.85 Feb = $93.5   20% greater in April than in March ---&gt; Apr = 1.2 Mar = $112   10% less in May than in April ---&gt; May = 0.9 Apr = $101 (we have a winner)   5% greater in June than in May ---&gt;Jun = 1.05 May = $106   Ans May
<result>D</result>
Last year, sales at Company X were 10% greater in February than in January, 15% less in March than in Feb, 20% greater in April than in March, 10% less in May than in April, and 5% greater in June than in May. In which month were sales closest to Jan?