Last month, the average price for half gallon of milk in Kroger was $2.05. Now this month, the average price for half gallon of
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ANSWER
The correct answer is
EXPLANATION
The number
is a rational number.
Since the set of rational numbers is closed under addition, the number that should be added to
should also be a rational number in order to get another rational number.
This means that, if we add a rational number to an irrational number we get an irrational number.
The only rational number in the options provided is
We add it to
to get
Note that,
Hence the result is a rational number.
As for the remaining options,
are irrational numbers, so adding them to
will not produce a rational number.
The correct answer is
EXPLANATION
The number
is a rational number.
Since the set of rational numbers is closed under addition, the number that should be added to
should also be a rational number in order to get another rational number.
This means that, if we add a rational number to an irrational number we get an irrational number.
The only rational number in the options provided is
We add it to
to get
Note that,
Hence the result is a rational number.
As for the remaining options,
are irrational numbers, so adding them to
will not produce a rational number.