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Answer
The value is 18.67.
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To evaluate
using reciprocal tables, we first find the reciprocals of the denominators.
The reciprocal of
is
(since
, and its reciprocal is
). Therefore,
.
Next, the reciprocal of
is
or approximately
. Thus,
, which is approximately
.
Now, adding these two results gives:
So, to two decimal places, the final answer is
.