math
posted by anonymous .
the expression 1/12 / (1/4 + 5/12) is equivalent to
a  1/18
b  7/12
c  1/8
d  1/2
1/4= 3/12
3/12 + 5/12= 8/12
1/12 / 8/12 =
1/12 x 12/8
12/96=1/8
c1/8

Right.
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