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Unformatted text preview: The woman knows her weight in pounds and wants to find out what she weighs in kilograms. As seen in step two, she should enter the known weight in pounds next to the ratio of pounds to kilograms (1 : 2.205) in such a way that the units cancel one another. This means that if lbs are on top, then there must be lbs on the bottom, so that when they are divided, they cancel. Next, while carrying out the obvious mathematical operation, cancel the units. If the woman had accidentally put the ratio of pounds to kilograms in upside down (2.205 : 1), then the units would not have canceled out, alerting the woman that she had made a mistake....
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This note was uploaded on 11/14/2011 for the course CHEM ch 101 taught by Professor  during the Fall '10 term at Montgomery.
 Fall '10
 

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