Answer :

gaige808

Answer:

$31.50

Step-by-step explanation:

Answer:

$31.50

Step-by-step explanation:

8:12

divide by 8 to get the price per pound

8/8=1   12/8=3/2=1 1/2=1.5

1:1.5

times 21

1*21=21   1.5*21=31.5

21:31.5

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