SOLUTION: The number of pounds in y ounces

Question 494593: The number of pounds in y ounces
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
There are 16 ounces in a pound.
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So if you have a 32 ounce package of something, ask yourself how many pounds does it weigh. You can probably tell that it is 2 pounds. How did you do that? You just divide the number of ounces by 16 to convert it to pounds.
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In equation form use Lbs to represent pounds and oz to represent ounces and you can write that:
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Lbs = oz/16
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Some examples. Suppose you had a box that weighed 64 ounces. You could get the weight in pounds by using the equation and substituting 64 for oz:
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Lbs = 64/16 = 4
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So a 64 oz box weighs 4 pounds.
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How about a 48 ounce box? Substitute 48 for oz in the equation:
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Lbs = 48/16 = 3
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A 48 oz box weighs 3 pounds.
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What about a 12 ounce box?
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Lbs = 12/16
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Note that 12 and 16 are both divisible by 4 and this becomes:
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Lbs = (4*3)/(4*4)
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One of the fours in the denominator will cancel with the 4 in the numerator and you are left with:
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Lbs = 3/4
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So a 12 ounce box is three-quarters of a pound.
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How many pounds would a 24 ounce loaf of bread weigh?
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Lbs = 24/16
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Both the numerator and the denominator have 8 as a common factor as follows:
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Lbs = (8*3)/(8*2)
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Cancel the 8 in the numerator with the 8 in the denominator and the equation becomes:
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Lbs = 3/2
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So a 24 ounce loaf weighs 3 halves of a pound or more commonly one and one-half pounds.
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Hope this helps you to see the relationship between pounds and ounces.
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