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Mrs. Nelson is buying
batteries. A 4-pack of AA
batteries costs $2.99 and a
10-pack of AA batteries
costs $6.30. How much less
per battery does the 10-
pack cost than the 4-pack?
If necessary, round each
unit price to the nearest
cent.

Mrs Nelson is buying batteries A 4pack of AA batteries costs 299 and a 10pack of AA batteries costs 630 How much less per battery does the 10 pack cost than the class=