John, Karen, and Luke collected cans of vegetables for a food drive. The number of cans that John collected was 1/2 the number of cans that Karen collected and 1/3 the number of cans that Luke collected. The number of cans that Karen collected was what fraction of the total number of cans that John, Karen, and Luke collected? Choose one:
A) 1/5
B) 1/3
C) 2/5
D) 1/2
E) 2/3
John = (1/2)Karen --&gt; Karen = 2(John)   John = 1/3(Luke) --&gt; Luke = 3(John)   Total = 6(John)   Karen/Total = 2/6 = 1/3   Answer: 1/3
<result>B</result>
John, Karen, and Luke collected cans of vegetables for a food drive. The number of cans that John collected was 1/2 the number of cans that Karen collected and 1/3 the number of cans that Luke collected. The number of cans that Karen collected was what fraction of the total number of cans that John, Karen, and Luke collected?