anonymous
  • anonymous
tell whether each percent change is an increase or decrease. Then find the percent change. Round to the nearest percent. original amount: 45 new amount: 60
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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AravindG
  • AravindG
What do you think about this question? Any ideas?
anonymous
  • anonymous
None. My teacher hasn't taught me this yet. I know it's an increase though.
Hero
  • Hero
\[\%\Delta = \frac{|a - b|}{a} \times 100\] \(\%\Delta = \) Percent Change \(a = \) Old Amount \(b = \) New amount

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anonymous
  • anonymous
Ook Can u use the actual numbers in that ?
Hero
  • Hero
Yes, that's what you're supposed to do. In this case: \(a = 45\) \(b = 60\)
anonymous
  • anonymous
Thank u. It's hard for me to understand this stuff. ok so it would be x = 45−60 ==== ×100 45 45 - 60 = -15 15 == = 3 45 3(100) = 300
Hero
  • Hero
\[\frac{15}{45} = \frac{1}{3}\]
anonymous
  • anonymous
ok so 1/3(100) = 33
Hero
  • Hero
Correct.
anonymous
  • anonymous
Thank u !

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