Baking flour mixture was made by combining 4 ounces of bleached flour which costs $8 per ounce with 16 ounces of unbleached flour which costs $3 per ounce. What is the cost per ounce
of the mixture?

4 ounces x $8 per ounce = $32

16 ounces x $3 per ounce = $48

4 ounces + 16 ounces = 20 total ounces

$32 + $48 = $80 total cost

$80 / 20 ounces = $4 per ounce cost

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