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Answer:

They will cost $2.90

Step-by-step explanation:

hope this helped <3

Answer:

$3.50

Step-by-step explanation:

If you think about it, it's like quarters. You can get 5 pounds for $2, and 7.5 pounds for $3. so then you add another 50 cents to it to get 8 pounds, you get $3.50.

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