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a package of 8 count AA batteries costs 6.40 a package of 20 count AA batteries costs 15.80 which statement about the unit price is true?the 20 count pack of AA batreries has a lower unit price of 0.80 per batterythe 8 count pack of AA batteries has a lower unit price 0.79 per batterythe 8 count pack of AA batteries has a low unit price of .80 per batterythe 20 count pack of AA batteries has a lower unit price of .79 per battery

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Notice that for the $6.40 package each battery costs:

[tex]\frac{6.40}{8}=0.80.[/tex]

For the $15.80 package each battery costs:

[tex]\frac{15.80}{20}=0.79.[/tex]

Therefore, the 20 count pack of AA batteries has a lower unit price of $0.79 per battery.

Answer: Last option.

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