An irrational number is one with a fraction.
The 6 pack worth 3.79 costs $0.63 cents each bottle. The 9 pack for 4 is worth $0.50 cents the bottle. And the last on is worth $0.57 meaning the 9 pack for 4.50 costs the least per bottle.
Answer:
8xy
Step-by-step explanation:

If there is no expression, it surely is equal to 0.
Step-by-step explanation:
A) In order to calculate the interest , we can use the following formula :

Where P is the interest , P0 is the initial value, i is the interest and t is the time.
So , using P0 =600,i= 0.0005768 and t=27 ,we have :

Calculating only the interest, we have :

So the interest is $9.41.
B) He paid the final value calculated above, that is , $609.41.
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