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JonHenderson55
The answer is:  " 128 oz. " . 
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There are:  " 128 oz. " (in " 8 lbs." ) .
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Explanation:
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Set up a proportion;  as a fraction; as follows:
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 400/ 25  = x / 8 ; 

in which:  "x" = the number of "ounces [oz.] there are in "8 lbs." ;
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We shall solve for "x" , the answer to the problem:

Cross-factor multiply:

25x = (400) * 8 ; 

→ 25x = 3200 ; 

Divide each side of the equation by "25" ; to isolate "x" on one side of the equation; & to solve for "x" ; 

→ 25x / 25 = 3200 / 25 ; 

→  x = 128 .
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Answer:  " 128 oz. " . 
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There are:  " 128 oz. " (in " 8 lbs." ) .
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Note of interest:  " 16 oz. =  1 lb. " (exact conversion). 

So;  "8 lbs.  =  ?  oz. " ; 

→  " 8 lbs. * (16 oz/ 1 lb)  =   ( 8 * 16) oz.  =  128 oz. ;  →  which is our answer!
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TheBlueFox

Answer: 128 ounces

Step-by-step explanation: To convert 8 pounds into ounces, we will first need to find the conversion factor for pounds and ounces.

Conversion factor ⇒ 16 ounces = 1 pound

Next, notice that we are going from a larger unit "pounds" to a smaller unit "ounces." When we go from a larger unit to a smaller unit we multiply.

In this case, we will multiply 8 pounds by the conversion factor which is 16 and this will gives us 128 ounces.

This means that 8 pounds is equal to 128 ounces.

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