mgwlisp
22.08.2019 •
Mathematics
The amount of money in geraldo's savings account went from $450 to
$420. explain how to use a negative integer to describe the change.
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Ответ:
The savings went from $450 to $420, this means that Geraldo lost $30
This change can be described by the difference between the both savings, this is:
final amount - initial amount = difference
$420 - $450 = -$30
Then the change can be described by the negative integer -$30, this number means that Geraldo "debt" or "lost" 30 dollars.
Ответ: