Question

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

Answer 1

Notice that for the $6.40 package each battery costs:

`(6.40)/(8)=0.80.`

For the $15.80 package each battery costs:

`(15.80)/(20)=0.79.`

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

Answer: Last option.