John was asked whether 3/8 or 4/7 was closer to 1/2 . Which of the following would be an accurate explanation?
a. 
is left of 
and 
is to the right of . Since 3 and 4 are one unit apart, their average would be 
, which would be halfway. So, and are the same distance from .
b. is 
from ½ which is equivalent to 
. is 
from , which is equivalent to 
, so is larger than , is closer to .
c. is equivalent to 
and is equivalent to 
. Since is equivalent to 
d. is left of and is right of . is equivalent to 0.375 and is equivalent to 0.47, so is closer to .
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